CN219457596U - Double-sided anisotropic liquid cooling radiator and thyristor heat radiation structure - Google Patents
Double-sided anisotropic liquid cooling radiator and thyristor heat radiation structure Download PDFInfo
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- CN219457596U CN219457596U CN202320314613.7U CN202320314613U CN219457596U CN 219457596 U CN219457596 U CN 219457596U CN 202320314613 U CN202320314613 U CN 202320314613U CN 219457596 U CN219457596 U CN 219457596U
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Abstract
The application provides a double-sided anisotropic liquid cooling radiator and a thyristor heat radiation structure, wherein the double-sided anisotropic liquid cooling radiator comprises a radiator main body; the radiator body is provided with a first end face and a second end face; the first end face is provided with a first cover plate, and the second end face is provided with a second cover plate; a first groove is formed in the first end face, and a first channel is formed between the first groove and the first cover plate; a second groove is formed in the second end face, and a second channel is formed between the second groove and the second cover plate; the radiator main body is provided with an input port and an output port, the input port is communicated with the first end of the first groove, the second end of the first groove is communicated with the first end of the second groove, and the second end of the second groove is communicated with the output port. Through the structure, when the input medium is fixed, the overall heat dissipation efficiency of the thyristor for the double-sided anisotropic heating power is higher, and the heat dissipation effect is better.
Description
Technical Field
The present disclosure relates generally to the field of thyristor heat dissipation, and in particular, to a dual-sided anisotropic liquid cooling heat sink and a thyristor heat dissipation structure.
Background
The double-sided radiator is mainly used for radiating two ends of the thyristor, when the radiating requirements of the two ends of the thyristor are different, the radiator in the traditional mode cannot meet the using requirements, because the traditional radiator structure generally adopts an input passage and is divided into two parts to extend and communicate to the two ends of the radiator respectively, and based on the structure, the radiating efficiency of the two ends of the radiator is the same. When the input medium is fixed, the heat dissipation effect on the thyristor is poor, and the actual heat dissipation requirement cannot be met.
Disclosure of Invention
In view of the foregoing drawbacks and shortcomings of the prior art, it is desirable to provide a dual-sided anisotropic liquid-cooled heat sink and thyristor heat dissipation structure that can solve the foregoing technical problems.
The first aspect of the application provides a double-sided anisotropic liquid cooling radiator, comprising a radiator main body; the radiator body has a first end face and a second end face; a first cover plate is arranged on the first end face, and a second cover plate is arranged on the second end face;
a first groove is formed in the first end face, and a first channel is formed between the first groove and the first cover plate; a second groove is formed in the second end face, and a second channel is formed between the second groove and the second cover plate;
the radiator is characterized in that an input port and an output port are arranged on the radiator body, the input port is communicated with the first end of the first groove, the second end of the first groove is communicated with the first end of the second groove, and the second end of the second groove is communicated with the output port.
According to the technical scheme provided by the embodiment of the application, the whole or part of the first groove is arranged on the first end face in a convoluted mode.
According to the technical solution provided in the embodiments of the present application, the first trench includes:
a first input groove, one end of which is communicated with the input port;
a first output groove, one end of which is communicated with the second groove;
the first convolution groove units are arranged in parallel between the first input groove and the first output groove; the input end of each first convolution groove unit is communicated with the side wall of the first input groove; the output end of each first convolution groove is communicated with the side wall of the first output groove.
According to the technical scheme provided by the embodiment of the application, the first convolution groove unit is provided with a plurality of input ends connected in parallel and a plurality of output ends connected in parallel, and at least one first convolution groove is arranged between one input end and one output end of the first convolution groove unit.
According to the technical scheme provided by the embodiment of the application, the whole or part of the second groove is arranged on the second end face in a convoluted mode.
According to the technical solution provided in the embodiments of the present application, the second trench includes:
a second input groove, one end of which is communicated with the first groove;
one end of the second output groove is communicated with the output port;
the second convolution groove units are arranged in parallel between the second input groove and the second output groove; the input end of each second convolution groove unit is communicated with the side wall of the second input groove; the output end of each second convolution groove is communicated with the side wall of the second output groove.
According to the technical scheme provided by the embodiment of the application, the second convolution groove unit is provided with a plurality of input ends connected in parallel and a plurality of output ends connected in parallel, and at least one second convolution groove is arranged between one input end and one output end of the second convolution groove unit.
According to the technical scheme provided by the embodiment of the application, the first cover plate is connected with the first end face in a brazing mode, and the second cover plate is connected with the second end face in a brazing mode.
A second aspect of the present application provides a thyristor heat dissipation structure, including a plurality of double-sided anisotropic liquid-cooled heat sinks as described above; the two-sided anisotropic liquid cooling radiators are arranged in a row, and a first cover plate of one two-sided anisotropic liquid cooling radiator is arranged opposite to a second cover plate of the adjacent two-sided anisotropic liquid cooling radiator; and thyristors are arranged between two adjacent double-sided anisotropic liquid cooling radiators.
According to the technical scheme provided by the embodiment of the application, the thyristor is provided with a first heating end and a second heating end, and the heating power of the first heating end is larger than that of the second heating end; the first heating end is arranged close to the second cover plate; the second heating end is arranged close to the first cover plate.
The beneficial effects of this application lie in: forming a first groove on the first end face and forming a first channel between the first groove and the first cover plate; a second groove is formed in the second end face, and a second channel is formed between the second groove and the second cover plate; the input port is in communication with the first end of the first channel, the second end of the first channel is in communication with the first end of the second channel, and the second end of the second channel is in communication with the output port. Therefore, a heat dissipation structure is formed that the first channel and the second channel are mutually connected in series, heat exchange liquid firstly dissipates heat on the B surface through the first channel (namely, dissipates heat on the side with lower heating power of the thyristor), then dissipates heat on the A surface through the second channel (namely, dissipates heat on the side with higher heating power of the thyristor), and when a certain input medium (temperature, speed and input quantity) is input, the overall heat dissipation efficiency of the thyristor with the double-sided opposite heating power is higher, and the heat dissipation effect is better.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural diagram of a dual-sided anisotropic liquid cooling radiator provided in the present application;
fig. 2 is a schematic structural view of the radiator body 3 shown in fig. 1, provided with a first groove 4;
FIG. 3 is a schematic view of the first end surface 100 shown in FIG. 2;
fig. 4 is a schematic structural view of the radiator body 3 shown in fig. 1, provided with a second groove 5;
fig. 5 is a schematic structural diagram of the second end surface 200 shown in fig. 4;
reference numerals in the drawings:
1. a first cover plate; 2. a second cover plate; 3. a radiator body; 31. an input port; 32. an output port; 4. a first trench; 41. a first input trench; 42. a first convolution trench unit; 421. a first convolution trench; 43. a first output trench; 44. a first connection groove; 5. a second trench; 51. a second input trench; 52. a second convolution trench unit; 521. a second convolution trench; 53. a second output trench; 54. a second connection trench; 100. a first end face; 200. a second end face; 300. interface plane.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Please refer to fig. 1-5, which are a double-sided anisotropic liquid cooling radiator provided in the present application, comprising a radiator body 3; the radiator body 3 has a first end face 100 and a second end face 200; the first end face 100 is provided with a first cover plate 1, and the second end face 200 is provided with a second cover plate 2;
a first groove 4 is formed on the first end face 100, and a first channel is formed between the first groove 4 and the first cover plate 1; a second groove 5 is formed on the second end face 200, and a second channel is formed between the second groove 5 and the second cover plate 2;
the radiator body 3 is provided with an input port 31 and an output port 32, the input port 31 is communicated with the first end of the first groove 4, the second end of the first groove 4 is communicated with the first end of the second groove 5, and the second end of the second groove 5 is communicated with the output port 32.
Specifically, the double-sided anisotropic liquid cooling radiator is provided with two radiating surfaces (A surface and B surface), and the B surface is positioned on one side of the first cover plate 1 and radiates heat through a heat exchange medium flowing through the first channel; the surface A is positioned on one side of the second cover plate 2, and heat dissipation is realized through heat exchange medium flowing through the second channel.
Further, the heat resistance of the A surface is smaller than 3.2K/KW, and the heat resistance of the B surface is smaller than 6K/KW, so that the heat resistance requirements of the A surface 6500W and the B surface 1200W under severe conditions are met.
It should be further noted that, in the present application, the two-sided anisotropic liquid cooling radiator is used for radiating the thyristor, when the radiating requirements at two ends of the thyristor are different, the radiator in the conventional manner cannot meet the use requirements, because the conventional radiator structure generally adopts an input passage and is divided into two parts to extend and communicate to two ends of the radiator respectively, and based on the structure, the radiating efficiencies at two ends of the radiator are the same. When the input medium is fixed, the heat dissipation effect on the thyristor is poor, and the actual heat dissipation requirement cannot be met.
Based on the background, the application provides a double-sided anisotropic liquid cooling radiator, wherein a first groove 4 is formed on the first end face 100, and a first channel is formed between the first groove 4 and a first cover plate 1; a second groove 5 is arranged on the second end surface 200, and a second channel is formed between the second groove 5 and the second cover plate 2; the input port 31 communicates with a first end of the first channel 4, a second end of the first channel 4 communicates with a first end of the second channel 4, and a second end of the second channel 5 communicates with the output port 32. Therefore, a heat dissipation structure is formed that the first channel and the second channel are mutually connected in series, heat exchange liquid firstly dissipates heat on the B surface through the first channel (namely, dissipates heat on the side with lower heating power of the thyristor), and then dissipates heat on the A surface through the second channel (namely, dissipates heat on the side with higher heating power of the thyristor), and when an input medium (temperature, speed and input quantity) is fixed, the overall heat dissipation efficiency is higher, and the heat dissipation effect is better.
In some embodiments, as shown in fig. 2, all or part of the first groove 4 is provided on the first end surface 100 in a convoluted shape. Therefore, the heat dissipation path of the B surface is increased, and the heat dissipation efficiency is further improved.
In some embodiments, as shown in fig. 3, the first trench 4 includes:
a first input groove 41, one end of the first input groove 41 communicating with the input port 31;
a first output groove 43, one end of the first output groove 43 communicating with the second groove 5;
a first convolution trench unit 42, wherein the first convolution trench unit 42 is provided in number and is disposed in parallel between the first input trench 41 and the first output trench 43; the input end of each first convolution groove unit 42 is communicated with the side wall of the first input groove 41; the output end of each first convolution groove 42 communicates with the side wall of the first output groove 43.
Specifically, the number of the first convolution groove units 42 may be one, two or more; preferably, at least two first convolution groove units 42 are provided, and the heat exchange effect of the B surface can be more balanced through a parallel connection mode. As shown in fig. 3, three first convolution groove units 42 are provided, each first convolution groove unit is provided with three first convolution grooves 421, and the overall temperature uniformity meets the design requirement and is within 4 ℃.
In some embodiments, the first convolution trench unit 42 has a plurality of input ends connected in parallel and a plurality of output ends connected in parallel, and at least one first convolution trench 421 is disposed between one input end and one output end of the first convolution trench unit 42.
Specifically, each first convolution groove unit 42 has a plurality of parallel input ends and a plurality of parallel output ends, so that the heat exchange effect of the heat dissipation area corresponding to each first convolution groove unit 42 is more balanced.
In some embodiments, the radiator body 3 has an interface plane 300 on one side, and the input port 31 and the output port 32 are disposed on the interface plane;
the first input groove 41 is relatively far away from the interface plane 300, the first output groove 43 is relatively close to the interface plane 300, and a first connection groove 44 is disposed between the input port 31 and the first input groove 41; the extending directions of the first input grooves 41 and the first output grooves 43 are parallel to the interface plane 300;
further, the plurality of first convolution groove units 42 between the first input groove 41 and the first output groove 43 are arranged along the extending direction of the first input groove 41 (or the first output groove 43).
In some embodiments, as shown in fig. 4, all or part of the second groove 5 is provided on the second end surface 200 in a convoluted shape. Therefore, the heat dissipation path of the surface A is increased, and the heat dissipation efficiency is further improved.
In some embodiments, as shown in fig. 5, the second trench 5 includes:
a second input groove 51, one end of the second input groove 51 communicating with the first groove 4;
a second output groove 53, one end of the second output groove 53 communicating with the output port 32;
a second convolution trench unit 52, the second convolution trench unit 52 having a plurality and being disposed in parallel between the second input trench 51 and the second output trench 53; the input end of each second convolution groove unit 52 is communicated with the side wall of the second input groove 51; the output end of each second convolution groove unit 52 communicates with the side wall of the second output groove 53.
Specifically, the number of the second convolution groove units 52 may be one, two or more; preferably, at least two second convolution groove units 52 are provided, and the heat exchange effect of the surface a can be more balanced by a parallel connection mode. As shown in fig. 5, three second convolution groove units 52 are provided, each second convolution groove unit is provided with three second convolution grooves 521, and the overall temperature uniformity meets the design requirement and is within 4 ℃.
In some embodiments, the second convolution trench unit 52 has a plurality of input ends connected in parallel and a plurality of output ends connected in parallel, and at least one second convolution trench 521 is disposed between one input end and one output end of the second convolution trench unit 52.
Specifically, each second convolution groove unit 52 has a plurality of parallel input ends and a plurality of parallel output ends, so that the heat exchange effect of the heat dissipation area corresponding to each first convolution groove unit 52 is more balanced.
In some embodiments, the second input channel 51 is disposed relatively close to the interface plane 300, the second output channel 53 is disposed relatively far from the interface plane 300, and a second connection channel 54 is disposed between the second output channel 53 and the output port 32; the extending directions of the second input grooves 52 and the second output grooves 53 are parallel to the interface plane 300;
further, the plurality of second convolution trench units 52 between the second input trench 51 and the second output trench 53 are arranged along the extending direction of the second input trench 51 (or the second output trench 53).
In some embodiments, a through hole is provided between the first output groove 43 and the second input groove 51, so that the heat exchange liquid passes through the first output groove 43 and enters the second input groove 52.
In some embodiments, the first cover plate 1 is soldered to the first end surface 100, and the second cover plate 2 is soldered to the second end surface 200, so as to ensure the overall tightness.
Example 2
The embodiment provides a thyristor heat dissipation structure, which comprises a plurality of double-sided anisotropic liquid cooling radiators; the two-sided anisotropic liquid cooling radiators are arranged in a row, and a first cover plate 1 of one two-sided anisotropic liquid cooling radiator is arranged opposite to a second cover plate 2 of the adjacent two-sided anisotropic liquid cooling radiator; and thyristors are arranged between two adjacent double-sided anisotropic liquid cooling radiators.
In some embodiments, the thyristor has a first heating end and a second heating end, the heating power of the first heating end being greater than the heating power of the second heating end; the first heating end is arranged close to the second cover plate 2; the second heating end is arranged close to the first cover plate 1.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (10)
1. A double-sided anisotropic liquid-cooled radiator, characterized by comprising a radiator body (3); the radiator body (3) has a first end face (100) and a second end face (200); a first cover plate (1) is arranged on the first end face (100), and a second cover plate (2) is arranged on the second end face (200);
a first groove (4) is formed in the first end face (100), and a first channel is formed between the first groove (4) and the first cover plate (1); a second groove (5) is formed in the second end face (200), and a second channel is formed between the second groove (5) and the second cover plate (2);
the radiator is characterized in that an input port (31) and an output port (32) are arranged on the radiator body (3), the input port (31) is communicated with the first end of the first groove (4), the second end of the first groove (4) is communicated with the first end of the second groove (5), and the second end of the second groove (5) is communicated with the output port (32).
2. The dual-sided anisotropic liquid-cooled heat sink of claim 1, wherein the first groove (4) is wholly or partially convoluted disposed on the first end face (100).
3. The double sided anisotropic liquid cooled heat sink of claim 2, wherein the first groove (4) comprises:
a first input groove (41), one end of the first input groove (41) being in communication with the input port (31);
a first output groove (43), one end of the first output groove (43) being in communication with the second groove (5);
a first convolution trench unit (42), wherein the first convolution trench unit (42) is provided with a plurality of first input trenches (41) and first output trenches (43) in parallel; the input end of each first convolution groove unit (42) is communicated with the side wall of the first input groove (41); the output end of each first convolution groove unit (42) is communicated with the side wall of the first output groove (43).
4. A double sided anisotropic liquid cooled radiator according to claim 3, wherein the first convolution groove unit (42) has a plurality of parallel inputs and a plurality of parallel outputs, and at least one first convolution groove (421) is provided between one input and one output of the first convolution groove unit (42).
5. The double-sided anisotropic liquid-cooled radiator according to claim 1, wherein the second groove (5) is wholly or partially convoluted on the second end face (200).
6. The dual anisotropic liquid cooled heat sink of claim 5, wherein the second groove (5) comprises:
a second input groove (51), one end of the second input groove (51) being in communication with the first groove (4);
a second output groove (53), one end of the second output groove (53) being in communication with the output port (32);
the second convolution groove units (52), wherein the second convolution groove units (52) are arranged in parallel between the second input grooves (51) and the second output grooves (53); the input end of each second convolution groove unit (52) is communicated with the side wall of the second input groove (51); the output end of each second convolution groove unit (52) is communicated with the side wall of the second output groove (53).
7. The dual anisotropic liquid-cooled heat sink of claim 6, wherein the second convolution groove unit (52) has a plurality of parallel inputs and a plurality of parallel outputs, and at least one second convolution groove (521) is provided between one input and one output of the second convolution groove unit (52).
8. The dual-sided anisotropic liquid-cooled heat sink of claim 1, wherein the first cover plate (1) is brazed to the first end face (100) and the second cover plate (2) is brazed to the second end face (200).
9. A thyristor heat dissipation structure, comprising a plurality of double-sided anisotropic liquid-cooled heat sinks according to any one of claims 1-8; the two-sided anisotropic liquid cooling radiators are arranged in a manner that a first cover plate (1) of one of the two-sided anisotropic liquid cooling radiators is opposite to a second cover plate (2) of the adjacent two-sided anisotropic liquid cooling radiator; and thyristors are arranged between two adjacent double-sided anisotropic liquid cooling radiators.
10. The thyristor heat sink structure according to claim 9, wherein the thyristor has a first heat-emitting end and a second heat-emitting end, the heat-emitting power of the first heat-emitting end being greater than the heat-emitting power of the second heat-emitting end; the first heating end is arranged close to the second cover plate (2); the second heating end is arranged close to the first cover plate (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320314613.7U CN219457596U (en) | 2023-02-24 | 2023-02-24 | Double-sided anisotropic liquid cooling radiator and thyristor heat radiation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320314613.7U CN219457596U (en) | 2023-02-24 | 2023-02-24 | Double-sided anisotropic liquid cooling radiator and thyristor heat radiation structure |
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| CN219457596U true CN219457596U (en) | 2023-08-01 |
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| CN202320314613.7U Active CN219457596U (en) | 2023-02-24 | 2023-02-24 | Double-sided anisotropic liquid cooling radiator and thyristor heat radiation structure |
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