Disclosure of utility model
The utility model aims to provide a liquid cooling plate for radiating electronic devices, which can reduce flow resistance and weight and realize uniform and sufficient cooling effect.
The utility model provides a liquid cooling plate for radiating an electronic device, which comprises a liquid cooling plate body, a switching part, a liquid inlet part and a liquid outlet part, wherein a liquid inlet flow passage, a first branch flow passage, a converging flow passage, a second branch flow passage and a liquid outlet flow passage are arranged in the liquid cooling plate body, the first branch flow passage is connected with one end of the liquid inlet flow passage and one end of the converging flow passage, the second branch flow passage is connected with the other end of the converging flow passage and the liquid outlet flow passage, the liquid inlet part and the liquid outlet part are both arranged on the liquid cooling plate body through the switching part, the liquid inlet part is connected with the liquid inlet flow passage, and the liquid outlet part is connected with the liquid outlet flow passage.
Preferably, the first branch flow passage comprises a first bending flow passage and a second bending flow passage, and the first bending flow passage and the second bending flow passage are distributed on two sides of the liquid inlet flow passage in parallel.
Preferably, the first curved flow channels and the second curved flow channels are identical in number and are distributed in pairs along the cross section direction of the liquid inlet flow channel.
Preferably, the converging flow passage comprises a first flow passage, a second flow passage and a third flow passage, wherein the first flow passage is connected with the first bending flow passage, the second flow passage is connected with the second bending flow passage, and the first flow passage and the second flow passage are both connected with the third flow passage.
Preferably, the second branch flow channel comprises a plurality of parallel direct flow channels, one end of each direct flow channel is connected with the third flow channel, and the other end of each direct flow channel is connected with the liquid outlet flow channel.
Preferably, the transfer part is provided with two fixing holes, the liquid inlet part penetrates through one fixing hole to be connected with the liquid inlet flow channel, and the liquid outlet part penetrates through the other fixing hole to be connected with the liquid outlet flow channel.
Preferably, the adapter part is also provided with a mounting hole, the fixing hole and the mounting hole are through holes distributed on the adapter block side by side along the same direction, and the mounting hole is arranged between the two fixing holes.
The liquid inlet part comprises a liquid inlet pipe and a liquid inlet interface, one end of the liquid inlet pipe is connected with the liquid inlet flow passage in a sealing mode, the other end of the liquid inlet pipe is connected with the liquid inlet interface in a sealing mode, the liquid outlet part comprises a liquid outlet pipe and a liquid outlet interface, one end of the liquid outlet pipe is connected with the liquid outlet flow passage in a sealing mode, and the other end of the liquid outlet pipe is connected with the liquid outlet interface in a sealing mode.
Preferably, the flow rates of the liquid inlet flow channel, the confluence flow channel and the liquid outlet flow channel are the same.
Preferably, a weight reduction area is arranged in an area outside the flow passage of the liquid cooling plate body.
The liquid cooling plate for the electronic device heat dissipation effectively reduces flow resistance through the multi-channel design, prolongs the flow path of cooling liquid and increases the heat exchange area through the parallel branch channels, remarkably improves the heat exchange efficiency, achieves uniform and sufficient cooling effect, and effectively reduces the weight of the liquid cooling plate through the light weight structural design by arranging the weight reduction area.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It will be understood that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, but that the present utility model may be practiced in many other ways other than those described herein, and that persons skilled in the art will be able to make similar modifications without departing from the spirit of the present utility model, so that the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the embodiment provides a liquid cooling plate for heat dissipation of an electronic device, which comprises a liquid cooling plate body 1, a switching part 2, a liquid inlet part 3 and a liquid outlet part 4.
The liquid inlet part 3 and the liquid outlet part 4 are both arranged on the liquid cooling plate body 1 through the switching part 2. Specifically, the liquid inlet part 3, the liquid outlet part 4 and the switching part 2 are all located on the same side of the liquid cooling plate body 1.
As an example, the material of the liquid cooling plate body 1 may be an aluminum alloy.
Preferably, the adapter part 2 is provided with two fixing holes and a mounting hole 20.
The fixing holes and the mounting holes 20 are through holes distributed on the adapter block side by side along the same direction, and the mounting holes 20 are arranged between the two fixing holes.
Here, the fixing holes are used for fixing the liquid inlet portion 3 and the liquid outlet portion 4, and the mounting holes 20 are used for mounting the adapter portion 2 on the liquid cooling plate body 1. As an example, the number of the mounting holes 20 is two, and the adapter 2 is mounted on the liquid-cooled plate body 1 by bolting.
As shown in fig. 2, the liquid cooling plate body 1 is provided with a liquid inlet channel 10, a first branch channel 11, a converging channel 12, a second branch channel 13, and a liquid outlet channel 14.
The first branch flow passage 11 is connected with one end of the liquid inlet flow passage 10 and the converging flow passage 12, and the second branch flow passage 13 is connected with the other end of the converging flow passage 12 and the liquid outlet flow passage 14.
The liquid inlet part 3 is connected with a liquid inlet flow channel 10, and the liquid outlet part 4 is connected with a liquid outlet flow channel 14. Specifically, the liquid inlet portion 3 penetrates through one fixing hole to be connected with the liquid inlet channel 10, and the liquid outlet portion 4 penetrates through the other fixing hole to be connected with the liquid outlet channel 14.
Preferably, the flow rates of the liquid inlet channel 10, the merging channel 12 and the liquid outlet channel 14 are the same.
The first branch flow passage 11 includes a first curved flow passage 15 and a second curved flow passage 16.
The first curved flow passage 15 and the second curved flow passage 16 are distributed in parallel on both sides of the liquid inlet flow passage 10.
It should be appreciated that the tortuous paths of the first tortuous flow passage 15 and the second tortuous flow passage 16 may be provided as desired. In the present embodiment, the first curved flow channel 15 and the second curved flow channel 16 may have an S-shaped curved shape, the first curved flow channel 15 having two flow channel inflection points, and the second curved flow channel 16 having four flow channel inflection points.
Preferably, the first curved flow channels 15 and the second curved flow channels 16 are identical in number and are distributed in pairs along the cross-sectional direction of the liquid inlet flow channel 10.
It is understood that the number of the first curved flow channels 15 and the second curved flow channels 16 may be set according to actual needs. The first curved flow passages 15 are arranged at intervals on one side of the liquid inlet flow passage 10, and the second curved flow passages 16 are arranged at intervals on the other side of the liquid inlet flow passage 10.
As an example, the number of the first curved flow channels 15 and the second curved flow channels 16 is eight. Preferably, the inlet of each first curved flow channel 15 communicates vertically with one side of the inlet flow channel 10 and the inlet of each second curved flow channel 16 communicates vertically with the other side of the inlet flow channel 10.
Preferably, the converging flow passage 12 includes a first flow passage 17, a second flow passage 18, and a third flow passage 19.
The first flow channel 17 is connected with the first bending flow channel 15, the second flow channel 18 is connected with the second bending flow channel 16, and the first flow channel 17 and the second flow channel 18 are both connected with the third flow channel 19.
Preferably, the second branching flow channel 13 comprises a plurality of parallel straight flow channels.
One end of the straight flow channel is connected with the third flow channel 19, and the other end of the straight flow channel is connected with the liquid outlet flow channel 14.
In this embodiment, the number of the straight channels is five, and the five straight channels are parallel to each other.
The multi-flow channel parallel structure formed by the first branch flow channel 11 and the second branch flow channel 13 also prolongs the flow path of the cooling liquid, increases the heat exchange area, effectively takes away the heat at different positions, further enables the liquid cooling plate to efficiently absorb the heat generated by the operation of electronic devices, prevents high-temperature overload, remarkably improves the heat exchange efficiency and realizes uniform and full cooling effect.
Preferably, the liquid inlet part 3 comprises a liquid inlet pipe 30 and a liquid inlet interface 31.
One end of the liquid inlet pipe 30 is connected with the liquid inlet channel 10 in a sealing way, and the other end is connected with the liquid inlet interface 31 in a sealing way.
The liquid outlet part 4 comprises a liquid outlet pipe 40 and a liquid outlet interface 41.
One end of the liquid outlet pipe 40 is connected with the liquid outlet channel 14 in a sealing way, and the other end is connected with the liquid outlet interface 41 in a sealing way.
The liquid inlet part 3 is used for allowing the cooling liquid to flow into the internal flow channel of the liquid cooling plate body 1, and the liquid outlet part 4 is used for allowing the cooling liquid to flow out of the internal flow channel of the liquid cooling plate body 1.
It should be appreciated that the connections between the flow channels are all sealed connections to prevent leakage of the coolant inside the liquid cooled plate.
Preferably, a weight reduction area 5 is arranged in an area outside the flow channel of the liquid cooling plate body 1, so that the overall weight of the liquid cooling plate is effectively reduced.
Here, the region other than the flow passage of the liquid-cooling plate body 1 may be a safety region where no flow passage is provided in the thickness direction of the liquid-cooling plate body 1.
The thickness of the weight reduction area 5 is smaller than that of the liquid cooling plate body 1.
Further, a plurality of weight reduction areas 5 may be disposed in each safety area according to actual needs, for example, a plurality of weight reduction areas 5 may be disposed at the edge of the liquid cooling plate body 1, or a plurality of weight reduction areas 5 may be disposed on the surface of the liquid cooling plate body 1. Furthermore, the weight-reduction zone 5 may be provided in different shapes, such as rectangular, fan-shaped, etc., in connection with the actual situation of the safety zone.
The liquid cooling plate for electronic device heat dissipation provided by the embodiment effectively reduces flow resistance through a multi-runner design, prolongs the flow path of cooling liquid and increases the heat exchange area through parallel branch runners, not only remarkably improves the heat exchange efficiency, but also realizes uniform and sufficient cooling effect, and the weight of the liquid cooling plate is effectively reduced through the design of a weight reduction area.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.