CN217770734U

CN217770734U - Liquid cooling heating panel device based on microchannel

Info

Publication number: CN217770734U
Application number: CN202221620357.6U
Authority: CN
Inventors: 陈胜朋; 李栋; 李林达; 王继鸿; 许海进; 戴容江; 陈红伟
Original assignee: Nanjing Canatal Data Centre Environmental Tech Co Ltd
Current assignee: Nanjing Canatal Data Centre Environmental Tech Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-08
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a liquid cooling heating panel device based on microchannel, including base plate and apron, water inlet and delivery port have been seted up to the apron, the surface of base plate is provided with a plurality of fins and vortex post, the apron sets up on the base plate and forms confined water space of crossing, the vortex post sets up between the fin, the space of vortex post and fin constitutes a plurality of microchannels that link up, according to the rivers direction, wherein rivers upstream end is the head end microchannel, and the low reaches end is the tail end microchannel, the water inlet is located the head end microchannel directly over, the delivery port is located the tail end microchannel directly over, the beneficial effects of the utility model: the mode that long fins, short fins, cross fins and capsule fins are arranged at intervals is adopted, the turbulence columns are matched to strengthen turbulence and cooling liquid flow velocity, heat exchange capacity of the heat dissipation plate can be improved, and uniform heat exchange is achieved.

Description

Liquid cooling heating panel device based on microchannel

Technical Field

The utility model relates to a data center heat dissipation technical field specifically is a liquid cooling heating panel device based on microchannel.

Background

With the development and application of technologies such as cloud computing, big data, artificial intelligence and the like, the scale of the data center is continuously enlarged, and the overall energy consumption of the data center is increased. The liquid cooling technology is one of key technologies of data center refrigeration innovation, can effectively improve the energy efficiency level of the data center, and solves the problem of high power density. However, the existing cold plate type liquid cooling system has the following problems in the structure of the cold plate: 1. the heat transfer rate is poor, and the heat exchange capacity is insufficient; 2. the problem of temperature uniformity cannot be solved well.

In order to solve the problem, a liquid cooling heat dissipation plate device based on a micro-channel is provided. The mode that long fins, short fins, cross fins and capsule fins are arranged at intervals is adopted, the turbulence columns are matched to strengthen turbulence and cooling liquid flow velocity, heat exchange capacity of the heat dissipation plate can be improved, and uniform heat exchange is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid cooling heating panel device based on microchannel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid cooling heating panel device based on microchannel, includes base plate and apron, water inlet and delivery port have been seted up to the apron, the perpendicular sculpture in surface of base plate has a plurality of fins and vortex post, the vortex post sets up between the fin, the space of vortex post and fin constitutes a plurality of microchannels that link up, according to the rivers direction, wherein rivers upstream end is the head end microchannel, and the low reaches end is the tail end microchannel, and the microchannel between head end microchannel and the tail end microchannel is middle part microchannel, the water inlet is just to the head end microchannel, and the perpendicular to base is introduced into water, the delivery port is just to the tail end microchannel, and the perpendicular to base plate is drawn forth out water.

As a further aspect of the present invention: the fins comprise long fins, short fins, cross fins and capsule fins, the long fins and the cross fins are positioned on the center line of the base plate along the water flow direction, the short fins, the capsule fins and the turbulence columns are symmetrically arranged along the center line respectively, and the length of the long fins is equal to that of the cross fins and is greater than that of the short fins; the number of the long fins is two, the long fins are respectively positioned on the outer sides of the head-end micro-channel and the tail-end micro-channel, the length direction of each long fin is perpendicular to the water flow direction, and two flow disturbing columns are arranged at two ends of each long fin at intervals; the cross fins are uniformly distributed between the two long fins at equal intervals, the cross fins comprise cross long fins and cross short fins, the long fins are parallel to the long fins, two turbulence columns are symmetrically arranged at two ends of each long fin, two turbulence columns are arranged between each long fin and the cross fin adjacent to the long fin, the two turbulence columns are symmetrically positioned at two sides of each short fin, the short fins are arranged at two sides of each turbulence column at intervals, and gaps between the long fins at the water inlet end and the cross fins adjacent to the long fins as well as between the long fins and the turbulence columns at two ends of the cross fins form head-end microchannels; gaps between the long fin at the water outlet end and the cross fin adjacent to the long fin and between the long fin and the turbulence columns at the two ends of the cross fin form a tail end micro-channel; turbulent flow columns which are symmetrical along the short fins are arranged between every two adjacent cross fins, capsule fins and the short fins are symmetrically arranged on the outer sides of the turbulent flow columns, and middle micro-channels are formed between every two adjacent cross fins and gaps between the capsule fins and the short fins and the adjacent turbulent flow columns; and the capsule fins and the short fins in the middle micro-channel are arranged at intervals.

As a further aspect of the present invention: the height of the long fins, the height of the short fins, the height of the cross fins, the height of the capsule fins and the height of the turbulence columns are all equal, the cover plate is of an open rectangular box type structure, the heights of the fins are equal to the height of the inner space of the cover plate, and the purpose is to ensure that the fins and the turbulence columns can completely shunt cooling liquid.

As a further aspect of the present invention: the two ends of the long fin, the end, facing the flow disturbing column, of the short fin, the end part of the long fin and the end part of the short fin of the cross fin and the two ends of the capsule fin are chamfers, the outward end of the short fin is a plane, and the plane end of the short fin is in interference fit with the inner wall of the cover plate, so that cooling liquid can be prevented from directly flowing to the water outlet from a gap.

As a further aspect of the present invention: the edge part of the top of the base plate, which is close to the outer side, is provided with a plurality of mounting base holes, the number of the mounting base holes is not less than ten, the front end and the rear end of the base plate are respectively provided with three, and two sides in the middle of the base plate are respectively provided with two.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the mode of arranging the long fins, the short fins, the cross fins and the capsule fins at intervals, and arranges the turbulence columns to strengthen the flow velocity of turbulence and cooling liquid, thereby improving the heat exchange capability of the water cooling plate and ensuring more uniform heat exchange;

2. the two ends of the middle-long fin, the two ends of the capsule-type fin, the inner side of the short fin and the edge of the cross-shaped fin are all chamfered, and the fillet can play a role in drainage and flow guiding;

3. the utility model innovatively uses the cross-shaped fins and the capsule-shaped fins, so that the cooling liquid can be better drained to two sides and distributed to enhance heat exchange;

4. the utility model discloses be equipped with the plane in the short fin outside to with the recess inner wall cooperation, and for interference fit, this design can prevent that the coolant liquid from flowing the delivery port from the gap.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a substrate; 2. a long fin; 3. short fins; 4. a cross fin; 5. a void; 6. a capsule fin; 7. a turbulence column; 8. a cover plate; 9. a water inlet hole; 10. a water outlet hole; 11. and installing a base hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, in the embodiment of the utility model, a liquid cooling heating panel device based on microchannel, including base plate 1 and apron 8, water inlet 9 and delivery port 10 have been seted up to apron 8, the perpendicular etching in surface of base plate 1 has a plurality of fins and vortex post 7, vortex post 7 sets up between the fin, the space 5 of vortex post 7 and fin constitutes a plurality of microchannels that link up, according to the rivers direction, wherein the rivers upstream end is the head end microchannel, and the downstream end is the tail end microchannel, and the microchannel between head end microchannel and the tail end microchannel is the middle part microchannel, water inlet 9 is just to the head end microchannel, and the perpendicular to base is introduced into water, delivery port 10 is just to the tail end microchannel, and the perpendicular to base plate is drawn forth out water.

It is worth noting that the fins comprise long fins 2, short fins 3, cross fins 4 and capsule fins 6, the long fins 2 and the cross fins 4 are located on the center line of the base plate along the water flow direction, the short fins 3, the capsule fins 6 and the turbulence columns 7 are respectively and symmetrically arranged along the center line, the length of the long fins 2 is equal to the length of the long fins of the cross fins 4 and is greater than the length of the short fins 3; the number of the long fins 2 is two, the long fins are respectively positioned on the outer sides of the head-end micro channel and the tail-end micro channel, the length direction of the long fins 2 is perpendicular to the water flow direction, and two flow disturbing columns are arranged at intervals at two ends of each long fin 2; the cross fins 4 are uniformly distributed between the two long fins 2 at equal intervals, the cross fins 4 comprise cross long fins and cross short fins, the long fins are parallel to the long fins 2, two turbulence columns are symmetrically arranged at two ends of each long fin, two turbulence columns 7 are arranged between the long fins 2 and the cross fins 4 adjacent to the long fins 2, the two turbulence columns 7 are symmetrically positioned at two sides of each short fin, the short fins 3 are arranged at two sides of each turbulence column 7 at intervals, and gaps between the long fins 2 at the water inlet end and the cross fins 4 adjacent to the long fins 2 as well as between the turbulence columns 7 at two ends of the long fins 2 and the cross fins 4 form head end microchannels; gaps between the long fins 2 at the water outlet end and the cross fins 4 adjacent to the long fins 2 and gaps between the long fins 2 and the turbulence columns 7 at two ends of the cross fins 4 form tail end micro-channels; turbulence columns 7 which are symmetrical along the short fins are arranged between every two adjacent cross fins 4, capsule fins 6 and short fins 3 are symmetrically arranged on the outer sides of the turbulence columns 7, and middle micro-channels are formed between every two adjacent cross fins 4 and gaps between the capsule fins 6 and the short fins 3 and between the adjacent turbulence columns 7 and the capsule fins 6 and the short fins 3; the capsule fins 6 and the short fins 3 in the middle micro-channel are arranged at intervals.

It is worth noting that a plurality of mounting base holes 11 are formed in the edge portion, close to the outer side, of the top of the base plate 1, the number of the mounting base holes 11 is not less than ten, the front end and the rear end of the base plate 1 are respectively three, two sides of the middle of the base plate 1 are respectively provided with two, and the base plate 1 is fixed through the mounting base holes 11 in cooperation with bolts.

It is worth noting that one end of the short fin 3 is provided with a chamfer, the other end of the short fin is of a plane structure, two ends of the long fin 2 are provided with chamfers, two ends of the capsule fin 6 are provided with chamfers, one end of the short fin 3 facing outwards is a plane, wherein the plane end of the short fin 2 is in interference fit with the inner wall of the cover plate 8, so that the coolant can be prevented from directly flowing to a water outlet from a gap, the round chamfers can play a role in drainage and diversion on the coolant, and the cross fin 4 can better drain the coolant to two sides to split the coolant in cooperation with the capsule fin 6, so that the heat exchange performance of the whole device is improved.

Example (b):

cooling liquid enters from a water inlet 9 on a cover plate 8, then falls into the head-end microchannel, is split by the cross fins 4 and is guided to two sides by the flow-disturbing columns 7 on two sides, at the moment, part of the cooling liquid is gathered in the middle microchannel, and part of the cooling liquid passes through the flow-disturbing columns 7 on the outer sides of the capsule fins 6 and is guided to the tail-end microchannel, and the circulation is repeated until the cooling liquid flows out from a water outlet 10 above the tail-end microchannel;

in the flowing process of the cooling liquid, the interval arrangement mode of the long fins 2, the short fins 3, the cross fins 4 and the capsule fins 6 is matched with the upper turbulence columns 7 to realize the enhancement of the turbulence and the flow velocity of the cooling liquid, so that the heat exchange performance of the water cooling plate is improved, and the heat exchange is more uniform.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. .

Claims

1. The utility model provides a liquid cooling heating panel device based on microchannel, includes base plate (1) and apron (8), its characterized in that: the cover plate (8) is provided with a water inlet (9) and a water outlet (10), a plurality of fins and turbulence columns (7) are vertically etched on the surface of the substrate (1), the turbulence columns (7) are arranged among the fins, a plurality of through micro channels are formed by the turbulence columns (7) and gaps (5) of the fins, according to the water flow direction, the upstream end of the water flow is a head-end micro channel, the downstream end of the water flow is a tail-end micro channel, a micro channel between the head-end micro channel and the tail-end micro channel is a middle micro channel, the water inlet (9) is over against the head-end micro channel, water is introduced in a direction perpendicular to the base, the water outlet (10) is over against the tail-end micro channel, and water is led out in a direction perpendicular to the substrate;

the fins comprise long fins (2), short fins (3), cross fins (4) and capsule fins (6), the long fins (2) and the cross fins (4) are located on the center line of the base plate along the water flow direction, and the short fins (3), the capsule fins (6) and the turbulence columns (7) are symmetrically arranged along the center line respectively;

both ends of the long fins (2) are chamfers.

2. A microchannel-based liquid-cooled cold plate apparatus as set forth in claim 1, wherein: the two long fins (2) are respectively positioned on the outer sides of the head end micro channel and the tail end micro channel, the length direction of each long fin (2) is perpendicular to the water flow direction, and two turbulence columns are arranged at two ends of each long fin (2) at intervals;

the cross fins (4) are uniformly distributed between the two long fins (2) at equal intervals, the cross fins (4) comprise cross long fins and cross short fins, the long fins are parallel to the long fins (2), two turbulence columns are symmetrically arranged at two ends of each long fin, two turbulence columns (7) are arranged between each long fin (2) and the cross fin (4) adjacent to the long fin, the two turbulence columns (7) are symmetrically positioned at two sides of each short fin, the short fins (3) are arranged at two sides of each turbulence column (7) at intervals, and gaps between the long fins (2) at the water inlet end and the cross fins (4) adjacent to the long fins as well as between the long fins (2) and the turbulence columns (7) at two ends of the cross fins (4) form a head end micro-channel;

gaps between the long fin (2) at the water outlet end and the cross fin (4) adjacent to the long fin and gaps between the long fin (2) and the turbulence columns (7) at the two ends of the cross fin (4) form a tail end micro-channel;

turbulence columns (7) which are symmetrical along the short fins are arranged between every two adjacent cross fins (4), capsule fins (6) and short fins (3) are symmetrically arranged on the outer sides of the turbulence columns (7), and middle micro-channels are formed among the two adjacent cross fins (4) and gaps among the capsule fins (6), the short fins (3) and the turbulence columns (7) adjacent to the two cross fins;

and the capsule fins (6) and the short fins (3) in the middle micro-channel are arranged at intervals.

3. A microchannel-based liquid-cooled heat sink apparatus as set forth in claim 1, wherein: the end, facing the turbulent flow column, of the short fin (3), the long fin end part and the short fin end part of the cross fin (4) and the two ends of the capsule fin (6) are chamfers, and the end, facing outwards, of the short fin (3) is a plane.

4. A microchannel-based liquid-cooled cold plate apparatus as set forth in claim 1, wherein: the length of the long fins (2) is equal to that of the cross fins (4) and is greater than that of the short fins (3).

5. A microchannel-based liquid-cooled heat sink apparatus as set forth in claim 1, wherein: the height of the long fins (2), the height of the short fins (3), the height of the cross fins (4), the height of the capsule fins (6) and the height of the turbulence columns (7) are equal, the cover plate (8) is of a rectangular box structure with an opening, and the heights of the fins are equal to the height of the inner space of the cover plate (8).

6. A microchannel-based liquid-cooled heat sink apparatus as set forth in claim 1, wherein: the edge part of the top of the base plate (1) close to the outer side is provided with a plurality of mounting base holes (11).