CN212629071U - Cold plate - Google Patents
Cold plate Download PDFInfo
- Publication number
- CN212629071U CN212629071U CN202021996250.2U CN202021996250U CN212629071U CN 212629071 U CN212629071 U CN 212629071U CN 202021996250 U CN202021996250 U CN 202021996250U CN 212629071 U CN212629071 U CN 212629071U
- Authority
- CN
- China
- Prior art keywords
- flow
- flow directing
- section
- cold plate
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a cold drawing, include: the device comprises a shell for mounting a plurality of devices to be cooled, wherein the shell is provided with a liquid inlet and a liquid outlet; and a first flow guide component and a second flow guide component which are positioned inside the shell, wherein: the first flow guide part is enclosed to form at least one part of a preheating channel; the second flow guide part is enclosed into at least one part of a return channel; the preheating channel is communicated with the liquid inlet; the return channel is communicated with the liquid outlet; at least one part of the preheating channel is adjacent to the return channel, and the first flow guide part and/or the second flow guide part which are positioned between the adjacent preheating channel and the adjacent return channel can transfer heat. At least one part of the preheating channel is adjacent to the return channel, and the second flow guide part between the adjacent preheating channel and the return channel transfers heat, so that the influence of an inlet effect on a device to be cooled is reduced, and the temperature uniformity of the cold plate is improved.
Description
Technical Field
The utility model relates to an electron heat dissipation technical field, in particular to cold drawing.
Background
The computation board is a structure that hundreds of chips are arranged on a PCB in parallel and series, and the power supply voltage, the computation capability and the temperature of the chips are strongly correlated. Cold plates are often provided to dissipate heat in order to increase the heat dissipation capacity of the computing board.
When the existing cold plate is applied to a multi-chip scene, the temperature of a chip at an inlet under a general condition is much lower than that of other positions due to the low temperature of fluid and the influence of an inlet effect (large heat exchange coefficient), and the performance of the cold plate on a force calculation plate is that the temperature distribution is obvious, the integral temperature uniformity is poor, and the requirements of multi-chip temperature uniformity and small temperature difference cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cold plate to improve the temperature uniformity under the many heat sources scene.
To achieve the above object, the present invention provides a cold plate, comprising:
the device comprises a shell for mounting a plurality of devices to be cooled, wherein the shell is provided with a liquid inlet and a liquid outlet; and
a first flow directing feature and a second flow directing feature located inside the housing, wherein:
the first flow guide part is enclosed to form at least one part of a preheating channel;
the second flow guide part is enclosed into at least one part of a return channel;
the preheating channel is communicated with the liquid inlet; the return channel is communicated with the liquid outlet; at least one part of the preheating channel is adjacent to the return channel, and the first flow guide part and/or the second flow guide part which are positioned between the adjacent preheating channel and the adjacent return channel can transfer heat. The utility model discloses in one of them embodiment, first water conservancy diversion part includes first water conservancy diversion section, first water conservancy diversion section part of second water conservancy diversion part with the casing encloses into first preheating section, first preheating section with go into the liquid mouth intercommunication, and with return channel is adjacent.
The utility model discloses in one of them embodiment, first water conservancy diversion part still includes second water conservancy diversion section, wherein, the second water conservancy diversion section with the casing encloses into the second and preheats the section, first preheating section passes through the second preheat section with go into the liquid mouth intercommunication.
In one embodiment of the present invention, the second diversion part includes a third diversion section, the third diversion section and the housing enclose a first return section adjacent to the preheating channel, and the first return section is communicated with the liquid outlet.
The utility model discloses in one of them embodiment, still include third water conservancy diversion part, third water conservancy diversion part encloses into at least a part of series connection passageway, the one end of series connection passageway with preheat the passageway intercommunication, the other end of series connection passageway with return channel intercommunication.
The utility model discloses in one of them embodiment, the second water conservancy diversion part still includes the fourth water conservancy diversion section, the fourth water conservancy diversion section with the casing encloses into the second backward flow section, the one end of second backward flow section with first backward flow section intercommunication, the other end of second backward flow section with series connection passageway.
The utility model discloses in one of them embodiment, the second water conservancy diversion part still includes fifth water conservancy diversion section, fifth water conservancy diversion section with the casing encloses into the third backward flow section, the second backward flow section passes through the third backward flow section with series connection passageway.
The utility model discloses in one of them embodiment, the third water conservancy diversion part includes a plurality of staggered arrangement's sixth water conservancy diversion section, every adjacent two the sixth water conservancy diversion section with first water conservancy diversion part the second water conservancy diversion part with one or more in the casing form a series connection section, and is a plurality of the series connection section is snakelike arranging.
The utility model discloses in one of them embodiment, the inside radiating fin that is provided with of series connection section, radiating fin with sixth water conservancy diversion section parallel arrangement.
The utility model discloses in one of them embodiment, along the number of the radiating fin who arranges in each series section of the flow direction of liquid working medium in the series connection passageway increases gradually.
In one embodiment of the present invention, the heat dissipation fins are aluminum fins, copper fins, stainless steel fins, titanium fins or alloy fins.
In one embodiment of the present invention, the third diversion member and the housing are an integrated structure or a split structure.
In one embodiment of the present invention, the third diversion part is an aluminum diversion part, a copper diversion part, a stainless steel diversion part, a titanium diversion part or an alloy diversion part.
In one embodiment of the present invention, the first flow guiding member and/or the second flow guiding member is integrated with the housing; or the first flow guide part and/or the second flow guide part and the shell are of a split structure.
In one embodiment of the present invention, the first diversion part or the second diversion part is an aluminum diversion part, a copper diversion part, a stainless steel diversion part, a titanium diversion part or an alloy diversion part.
In one embodiment of the present invention, the liquid inlet and the liquid outlet are disposed on the same side or different sides of the housing.
The utility model discloses in one of them embodiment, the casing include first casing and with first casing matched with second casing, first water conservancy diversion part with second water conservancy diversion part sets up the inside of first casing, the second casing seals respectively first casing first water conservancy diversion part with second water conservancy diversion part is in order to keep apart preheat the passageway with return channel.
Adopt the utility model discloses a cold plate, liquid working medium enters into to preheating the passageway by going into the liquid mouth, the liquid working medium that is located preheating the passageway carries out the heat exchange through first water conservancy diversion part or second water conservancy diversion part and the liquid working medium that is located the corresponding part of backward flow passageway, the liquid working medium temperature that is located preheating the passageway risees to some extent, the liquid working medium temperature that is located backward flow passageway reduces to some extent, a plurality of heat dissipation device and the liquid working medium of waiting of liquid working medium carry out the heat exchange, in order to reduce a plurality of temperatures of waiting the heat dissipation device, liquid working medium flows from the liquid outlet via backward flow passageway at last. In the process, at least one part of the preheating channel is adjacent to the return channel, and the heat transfer is carried out on part of the first flow guide part or the second flow guide part between the adjacent preheating channel and the return channel, so that the influence of the inlet effect on the device to be radiated is reduced. When the multi-heat-source force computing plate is subjected to liquid cooling heat dissipation, the heat dissipation capacity can be guaranteed, and meanwhile the temperature difference between the chips can be kept in a small range, so that the temperature uniformity of the cold plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 to 10 are schematic structural views of a cold plate according to an embodiment of the present invention;
fig. 11 is a schematic perspective view of a cold plate according to an embodiment of the present invention;
fig. 12 is a schematic diagram illustrating an internal structure of a cold plate according to an embodiment of the present invention;
fig. 13 is a schematic diagram of a cold plate according to an embodiment of the present invention;
fig. 14 is a schematic view of another cold plate according to an embodiment of the present invention;
fig. 15 is a schematic view of another cold plate according to an embodiment of the present invention.
Wherein: 100 is a shell, 200 is a device to be cooled, 300 is a first flow guide part, 400 is a second flow guide part, 500 is a third flow guide part, 600 is a preheating channel, 700 is a return channel, 800 is a series channel, 101 is a liquid inlet, 102 is a liquid outlet, 301 is a first flow guide section, 302 is a second flow guide section, 401 is a third flow guide section, 402 is a fourth flow guide section, 403 is a fifth flow guide section, 501 is a sixth flow guide section I, 502 is a sixth flow guide section II, a sixth flow guiding section three 503, a sixth flow guiding section four 504, a sixth flow guiding section five 505, a sixth flow guiding section six 506, a first preheating section 601, a second preheating section 602, a first backflow section 701, a second backflow section 702, a third backflow section 703, a first series section 801, a second series section 802, a third series section 803, a fourth series section 804, a fifth series section 805, a sixth series section 806, and a seventh series section 807.
Detailed Description
The utility model provides a cold drawing to improve the temperature uniformity of cold drawing.
It should be noted that, in the prior art, in addition to the poor temperature uniformity of the above-mentioned cold plate, since the parallel cold and hot intersecting channels can intersect and arrange the cold and hot fluid channels, the temperature on the force calculation plate is more uniform, the temperature difference between the chips is small, but the pressure drop between the parallel channels is different, which on one hand causes the flow distribution between the channels to be uneven, thereby causing the temperature difference between the chips to increase; on the other hand, when the flow changes, the original design scheme cannot be applied, and the universality is poor. Yet another object of the present invention is to improve the versatility of cold plates.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and 2, the cold plate of the present invention includes a housing 100 for mounting a plurality of devices 200 to be cooled, a first diversion member 300 and a second diversion member 400 located inside the housing 100, wherein the housing 100 is provided with a liquid inlet 101 and a liquid outlet 102; the first guide member 300 encloses at least a portion of the preheating passage 600; the second flow guide member 400 encloses at least a portion of the return channel 700; the preheating channel 600 is communicated with the liquid inlet 101; the return passage 700 communicates with the liquid outlet 102; the preheating channel 600 has at least a portion adjacent to the return channel 700, and the first flow guide member 300 and/or the second flow guide member 400 positioned between the adjacent preheating channel 600 and the return channel 700 can transfer heat.
In one embodiment, the contact portion between the first flow guiding member 300 and the second flow guiding member 400 is made of a material with good thermal conductivity, such as aluminum. In another embodiment, the first and second flow guiding members 300 and 400 are made of a material with good thermal conductivity, such as aluminum. In other embodiments, the material can also be stainless steel, titanium, copper, alloy and the like.
Adopt the utility model discloses a cold plate, liquid working medium enters into to preheating the passageway 600 by going into liquid mouth 101, the liquid working medium that is located preheating passageway 600 carries out the heat exchange through first guiding part 300 and/or second guiding part 400 and the liquid working medium that is located the corresponding part of backward flow passageway 700, the liquid working medium temperature that is located preheating passageway 600 risees to some extent, the liquid working medium temperature that is located backward flow passageway 700 reduces to some extent, a plurality of heat dissipation device 200 of treating of liquid working medium carry out the heat exchange with liquid working medium, in order to reduce a plurality of temperatures of treating heat dissipation device 200, last liquid working medium flows from liquid outlet 102 via backward flow passageway 700. Specifically, the liquid working medium can be a secondary refrigerant, a refrigerant, water and the like. In the above process, since at least a portion of the preheating channel 600 is adjacent to the return channel 700 and the first flow guiding member 300 or the second flow guiding member 400 located therebetween can perform heat transfer, the influence of the inlet effect of the cold plate on the device 200 to be cooled is reduced. When the multi-heat-source force computing plate is subjected to liquid cooling heat dissipation, the heat dissipation capacity can be guaranteed, and meanwhile the temperature difference between the chips can be kept in a small range, so that the temperature uniformity of the cold plate is improved.
At least one part of the preheating channel 600 and at least one part of the return channel 700 are in heat transfer through at least one part of the first flow guiding part 300 and/or the second flow guiding part 400, so that two channels with the largest temperature difference in the cold plates are adjacent, the temperature of the device 200 to be cooled above the two channels is influenced mutually by the heat diffusion effect of the cold plates and the device 200 to be cooled, the temperature of the preheating channel 600 is increased, the temperature of the return channel 700 is reduced, namely, the lowest temperature of the device 200 to be cooled is increased, and the highest temperature of the device 200 to be cooled is reduced. The first guide member 300 and the second guide member 400 may have a plate-like structure or a pipe-like structure, and when the first guide member 300 and the second guide member 400 have the plate-like structure, the preheating passage 600 is defined by the first guide member 300 and the casing 100, or defined by the first guide member 300, the second guide member 400 and the casing 100; the return passage 700 is defined by the second guide member 400 and the case 100, or defined by the first guide member 300, the second guide member 400 and the case 100. When the structure is a pipeline structure, the preheating channel 600 is directly surrounded by pipelines; the return channel 700 is directly enclosed by a pipe. The present invention only uses the first diversion member 300 and the second diversion member 400 as an example to describe in detail, and at this time, the part of the preheating channel 600 adjacent to the return channel 700 is at least a part of the second diversion member 400.
Referring to fig. 3, 6, 9 and 13, in one embodiment of the present invention, the entire preheating channel 600 is adjacent to the return channel 700. The first flow guide part 300 comprises a first flow guide section 301, the second flow guide part 400 and the shell enclose a first preheating section 601, and the first preheating section 601 is communicated with the liquid inlet 101. The liquid working medium enters the first preheating section 601 from the liquid inlet 101, heat exchange is carried out between the liquid working medium and the part corresponding to the backflow channel 700 through the second flow guide part 400, the temperature of the liquid working medium in the first preheating section 601 is increased, the temperature of the liquid working medium in the backflow channel 700 is reduced, heat exchange is carried out between the liquid working medium and the plurality of devices 200 to be cooled, the temperature of the plurality of devices 200 to be cooled is reduced, and finally the liquid working medium flows out from the liquid outlet 102 through the backflow channel 700. In the above process, the liquid working medium in the first preheating section 601 and the liquid working medium in the part of the return channel 700 exchange heat through at least a part of the second flow guide part 400 and then enter the serial channel 800, so that the influence of the inlet effect on the device to be cooled 200 is reduced, and the temperature uniformity of the cold plate is improved.
It should be noted that the longer the parts of the second flow guiding member 400 corresponding to the first preheating section 601 and the return channel 400, the better the temperature uniformity. The utility model discloses in only will preheat first preheating section 601 from the corresponding relation and take out from in the passageway 600, can not inject this first preheating section 601 and be solitary structure for preheating passageway 600, also can not inject this first preheating section 601 and break away from other structures of preheating passageway 600.
In addition, when the liquid inlet 101 and the liquid outlet 102 are far away from each other, referring to fig. 4, 5, 7, 8, 10, 14 and 15, the first flow guiding component 300 further includes a second flow guiding section 302, wherein the second flow guiding section 302 and the shell wall of the shell 100 enclose a second preheating section 602, and the first preheating section 601 is communicated with the liquid inlet 101 through the second preheating section 602. The liquid working medium enters the second preheating section 602 from the liquid inlet 101, then enters the first preheating section 601, heat exchange is carried out between the liquid working medium and the part corresponding to the backflow channel 700 through the second flow guide part 400, the temperature of the liquid working medium in the first preheating section 601 is increased, the temperature of the liquid working medium in the backflow channel 700 is reduced, heat exchange is carried out between the liquid working medium and the multiple devices 200 to be cooled so as to reduce the temperature of the multiple devices 200 to be cooled, and finally the liquid working medium flows out from the liquid outlet 102 through the backflow channel 700. In the above process, the liquid working medium in the first preheating section 601 of the liquid working medium and a part of the liquid working medium in the return channel 700 exchange heat through at least a part of the second flow guide part 400 and then enter the serial channel 800, so that the influence of the inlet effect on the device 200 to be cooled is reduced. When the multi-heat-source force computing plate is subjected to liquid cooling heat dissipation, the heat dissipation capacity can be guaranteed, and meanwhile the temperature difference between the chips can be kept in a small range, so that the temperature uniformity of the cold plate is improved.
The first diversion member 300 and the housing 100 are of an integrated structure or a split structure, wherein in the integrated structure, the first diversion member 300 can be understood as being formed by processing a blank, and the preheating channel 600 is processed by a milling process; the split structure can be various, the housing 100 and the first guide component 300 are mutually independent components, and are connected together by welding or clamping or screws, and in order to ensure the sealing performance in the connection process, a sealing structure is arranged between the first guide component 300 and the housing 100, and the sealing structure can be a sealing gasket or a structure with a sealing function such as a sealing groove.
For convenience of description, the second flow guide member 400 functions to form at least a portion of the return passage 700. Specifically, the second flow guiding component 400 includes a third flow guiding section 401, and the third flow guiding section 401 and the shell wall of the shell 100 enclose a first flow returning section 701, and the first flow returning section 701 is communicated with the liquid outlet 102. It should be noted that, in this embodiment, the first return section 701 is adjacent to the preheating channel 600, and the second flow guiding component 400 therebetween can transfer heat, that is, in this embodiment, the whole return channel 700 is adjacent to the preheating channel 600, and the second flow guiding component 400 integrally completes heat transfer between the liquid working medium located in the preheating channel 600 and the liquid working medium located in the return channel 700.
In order to improve the commonality of this cold drawing, the utility model provides a cold drawing still includes third guiding part 500, and third guiding part 500 encloses into at least a part of series connection passageway 800, and the one end of series connection passageway 800 communicates with preheating passageway 600, and the other end and the return channel 700 of series connection passageway 800 communicate.
The third air guide member 500 is a plate-shaped structure or a pipe-like structure, and when the third air guide member 500 is a plate-shaped structure, the series passage 800 is defined by the third air guide member 500 and the casing 100, or the third air guide member 500, the casing 100 and the second air guide member 400, or the third air guide member 500, the casing 100 and the first air guide member 300, or the third air guide member 500, the casing 100, the second air guide member 400 and the first air guide member 300; when in a conduit-like configuration, the series channel 800 is directly enclosed by the conduit. The present invention will be described in detail by taking the third air guiding member 500 as a plate-like structure.
When the series channel is provided, the second flow guiding component 400 further includes a fourth flow guiding section 402, the fourth flow guiding section 402 and the casing 100 enclose a second backflow section 702, one end of the second backflow section 702 is communicated with the first backflow section 701, and the other end of the second backflow section 702 is connected with the series channel 800.
When the end of the serial channel 800 is far, the second flow guiding component 400 further includes a fifth flow guiding section 403, and the fifth flow guiding section 403 and the casing 100 enclose a third backflow section 703; the second return section 702 communicates with the series channel 800 through a third return section 703.
The second guide member 400 and the housing 100 are of an integrated structure or a split structure, wherein in the integrated structure, it can be understood that the second guide member 400 is formed by processing a blank, and the return channel 700 is processed by a milling process; the split structure may be various, the housing 100 and the second guide member 400 are mutually independent members, and are connected together by welding or fastening or screws, and in order to ensure the sealing performance in the connection process, a sealing structure is provided between the second guide member 400 and the housing 100, and the sealing structure may be a sealing gasket or a structure having a sealing function such as a sealing groove. In addition, because the preheating channel 600, the serial channel 800 and the return channel 700 are designed in series, the flow consistency of each channel can be ensured, and the universality is stronger without being influenced by the designed flow.
Further, according to the flowing direction of the liquid working medium, a part of the preheating channel 600 is adjacent to the tail end of the serial channel 800, and the liquid working medium in the preheating channel 600 is heated by using a part of flow paths of the serial channel 800 with higher temperature, so that the temperature of the corresponding device to be cooled of the flow path at the head end of the serial channel 800 is not too low.
Specifically, the second flow guiding section 302 of the first flow guiding component 300 is interposed between the second preheating section 602 and the flow path at the end of the serial channel 800, the second flow guiding section 302 can transfer heat, when the liquid working medium enters the second preheating section 602, the liquid working medium located in the second preheating section 602 exchanges heat with the liquid working medium in the flow path at the end of the serial channel 800 through the second flow guiding section 302, and preliminarily heats the liquid working medium, and then enters the first preheating section 601, the liquid working medium located in the first preheating section 601 exchanges heat with the liquid working medium in the first return section 701 through the third flow guiding section 401, and heats the liquid working medium again, thereby further reducing the influence of the inlet effect of the cold plate on the device 200 to be cooled.
It should be noted that the flowing direction of the liquid working medium is the flowing direction from the liquid inlet 101 to the liquid outlet 102, wherein the part of the liquid working medium that firstly enters the serial channel 800 is the head end of the serial channel 800, and the part of the liquid working medium that finally flows out of the serial channel 800 is the tail end of the serial channel 800.
The third flow guide part 500 functions to form a part of the serial passage 800, and includes a plurality of sixth flow guide sections arranged in a staggered manner, and a serial section is formed between each adjacent two sixth flow guide sections and one or more of the first flow guide part 300, the second flow guide part 400, and the casing 100, and the plurality of serial sections are arranged in a serpentine manner. In one embodiment, the third flow guiding member 500 is made of a material with good thermal conductivity, such as aluminum, stainless steel, titanium, copper, and alloy.
In order to improve the heat dissipation performance, the heat dissipation fins 900 are arranged inside the series connection section, and the heat dissipation fins 900 are arranged in parallel with the sixth flow guide section.
After the heat dissipation fins 900 are arranged, on one hand, the liquid working medium in the serial channel 800 directly exchanges heat with the shell 100, and on the other hand, the shell 100 exchanges heat with the device 200 to be dissipated, so that the device 200 to be dissipated is dissipated; on the other hand, the liquid working medium inside the serial channel 800 exchanges heat with the heat dissipation fins 900, the heat dissipation fins 900 are in contact with the shell 100, and partial heat of the shell 100 in contact with the device 200 to be dissipated and the heat dissipation fins 900 are in heat transfer, so that heat dissipation of the device 200 to be dissipated is further achieved.
In the illustration, the third flow guiding component 500 includes six sixth flow guiding segments, which are a sixth flow guiding segment one 501, a sixth flow guiding segment two 502, a sixth flow guiding segment three 503, a sixth flow guiding segment four 504, a sixth flow guiding segment five 505 and a sixth flow guiding segment six 506, respectively, wherein the sixth flow guiding segment one 501, the sixth flow guiding segment two 502, the sixth flow guiding segment three 503, the sixth flow guiding segment four 504, the sixth flow guiding segment five 505 and the sixth flow guiding segment six 506 are arranged on the first flow guiding segment 301 and the third flow guiding segment 401 at intervals, seven series segments are formed according to the flowing direction of the liquid working medium, respectively, which are a first series segment 801, a second series segment 802, a third series segment 803, a fourth series segment 804, a fifth series segment 805, a sixth series segment 806 and a seventh series segment 807, and the liquid working medium sequentially enters the first series segment 801, the second series segment 802, the third series segment 803, the fourth series segment 804, the fifth series segment 805, the sixth series segment 806 and the sixth series segment six 506, A sixth series 806 and a seventh series 807, wherein the first series 801 is connected as the head of the series channel 800 to the first preheating stage 601 and the seventh series 807 is connected as the tail of the series channel 800 to the first reflux stage 701.
Please refer to the following equation:
Q＝h×(Tc-Tf)
wherein Q is the heat generated by the device 200 to be heat dissipated, TcIs the temperature, T, of the device 200 to be heat dissipatedfIs the temperature of the liquid working medium, and h is the coefficient of flow heat transfer.
To mass flow rate, CpIs the specific heat capacity of liquid working medium, Tf1Is the temperature, T, of the liquid working medium after passing through the channelf0Is the temperature of the liquid working medium before passing through the channel.
In the cold plate, the heat of the device 200 to be cooled is continuously taken away along with the flowing of the liquid working medium, and the liquid working medium is heated, so that the temperature of the liquid working medium is continuously increased along the flowing path. Since the heat Q generated by the device 200 to be dissipated is constant, it is desirable to increase the heat transfer coefficient h along the flow path to maintain Tc at a small temperature differential at different locations. Therefore, further, the number of the heat dissipating fins 900 arranged in each series section is gradually increased along the flow direction of the liquid working medium in the series passage 800. Along with the flowing of the liquid working medium, the radiating fins 900 with different densities are added in different series-connected sections so as to enhance the flowing heat exchange coefficient of the flow channel at the rear half part in the series-connected channel 800, improve the radiating capacity, reduce the thermal resistance and ensure that the temperature difference of the device to be radiated is maintained in a smaller range. The heat dissipation fins 900 are aluminum fins, copper fins, stainless steel fins, titanium fins, alloy fins, or other structures with superior heat dissipation performance.
The third air guide member 500 and the housing 100 are of an integrated structure or a split structure, wherein in the integrated structure, it can be understood that the third air guide member 500 is formed by processing a blank, and the series passage 800 is processed by a milling process; the split structure can be various, the housing 100 and the third guide component 500 are mutually independent components, and are connected together by welding or buckling or screws, and in order to ensure the sealing performance in the connection process, a sealing structure is arranged between the third guide component 500 and the housing 100, and the sealing structure can be a sealing washer or a structure with a sealing function such as a sealing groove.
Referring to fig. 1 to 10, the housing 100 has a rectangular structure, a circular structure, or an oval structure, and the specific structure of the housing is adjusted according to the device 200 to be cooled, which is not limited by the present invention, and the present invention is within the protection scope as long as the structure can achieve the effect of a cold plate.
When the cold plate has the preheating passage 600 and the return passage 700, the case 100 includes a first case in which the preheating passage 600 and the return passage 700 are disposed and a second case which is coupled with the first case and encloses the first case, the first guide member 300, and the second guide member 400 to isolate the preheating passage 600 and the return passage 700, respectively. A plurality of radiator 200 of treating can set up on first casing, can also set up on the second casing, as long as can reach and treat radiator 200 radiating purpose all the utility model discloses a within the scope of protection.
When the cold plate has the series passage 800, the preheating passage 600, and the return passage 700, the series passage 800, the preheating passage 600, and the return passage 700 are disposed inside the first housing, and the second housing encloses the first housing, the first guide member 300, the second guide member 400, and the third guide member 500, respectively, to isolate the series passage 800, the preheating passage 600, and the return passage 700.
The first shell and the second shell are connected through a buckle and are connected through welding and screws, and a sealing structure is further arranged between the first shell and the second shell for ensuring the sealing performance between the first shell and the second shell.
The liquid inlet 101 and the liquid outlet 102 are located on the same side or different sides of the housing 100, and referring to fig. 2, 3, 4, 6 and 7, the liquid inlet 101 and the liquid outlet 102 are located on the same side of the housing 100, and referring to fig. 5 and 8, the liquid inlet 101 and the liquid outlet 102 are located on different sides of the housing 100. When positioned on the same side, the inlet 101 is positioned in the middle or on both sides of the housing. The utility model discloses a as long as can realize the inflow and outflow of liquid working medium all be in the protection scope.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (17)
1. A cold plate, comprising:
the device comprises a shell for mounting a plurality of devices to be cooled, wherein the shell is provided with a liquid inlet and a liquid outlet; and
a first flow directing feature and a second flow directing feature located inside the housing, wherein:
the first flow guide part is enclosed to form at least one part of a preheating channel;
the second flow guide part is enclosed into at least one part of a return channel;
the preheating channel is communicated with the liquid inlet; the return channel is communicated with the liquid outlet; at least one part of the preheating channel is adjacent to the return channel, and the first flow guide part and/or the second flow guide part which are positioned between the adjacent preheating channel and the adjacent return channel can transfer heat.
2. The cold plate of claim 1, wherein the first flow directing feature comprises a first flow directing section, the second flow directing feature, and the housing enclosing a first preheating section, the first preheating section in communication with the fluid inlet and adjacent to the return passage.
3. The cold plate of claim 2, wherein the first flow directing component further comprises a second flow directing section, wherein the second flow directing section and the housing enclose a second preheating section, and wherein the first preheating section is in communication with the fluid inlet through the second preheating section.
4. The cold plate of claim 1, wherein the second flow directing feature comprises a third flow directing section that circumscribes the housing with a first flow return section adjacent the preheat passage, and the first flow return section is in communication with the liquid outlet.
5. The cold plate of claim 4, further comprising a third flow directing member, the third flow directing member defining at least a portion of a series passage, one end of the series passage being in communication with the preheat passage and the other end of the series passage being in communication with the return passage.
6. The cold plate of claim 5, wherein the second flow directing feature further comprises a fourth flow directing section, the fourth flow directing section and the housing enclosing a second flow return section, one end of the second flow return section being in communication with the first flow return section, and the other end of the second flow return section being in communication with the series passage.
7. The cold plate of claim 6, wherein the second flow directing feature further comprises a fifth flow directing section, the fifth flow directing section and the housing enclosing a third flow return section, the second flow return section passing through the third flow return section and the series passage.
8. The cold plate of claim 5, wherein the third flow directing component comprises a plurality of sixth flow directing sections arranged in a staggered pattern, wherein each adjacent two of the sixth flow directing sections form a series with one or more of the first flow directing component, the second flow directing component, and the housing, and wherein a plurality of the series are arranged in a serpentine pattern.
9. The cold plate of claim 8, wherein heat fins are disposed within the series blocks, the heat fins being arranged in parallel with the sixth flow directing block.
10. The cold plate of claim 9, wherein the number of fins arranged in each series of blocks increases progressively along the direction of flow of the liquid working substance in the series of channels.
11. The cold plate of claim 9, wherein the heat fins are aluminum fins, copper fins, stainless steel fins, titanium fins, or alloy fins.
12. The cold plate of claim 5, wherein the third flow directing member is a unitary or split structure with the housing.
13. The cold plate of claim 5, wherein the third flow directing feature is an aluminum flow directing feature, a copper flow directing feature, a stainless steel flow directing feature, a titanium flow directing feature, or an alloy flow directing feature.
14. The cold plate of claim 1, wherein the first flow directing member and/or the second flow directing member are a unitary structure with the housing; or the first flow guide part and/or the second flow guide part and the shell are of a split structure.
15. The cold plate of claim 1, wherein the first flow directing feature or the second flow directing feature is an aluminum flow directing feature, a copper flow directing feature, a stainless steel flow directing feature, a titanium flow directing feature, or an alloy flow directing feature.
16. The cold plate of claim 1, wherein the fluid inlet and the fluid outlet are disposed on the same side or different sides of the housing.
17. The cold plate of claim 1, wherein the housing comprises a first housing and a second housing mated to the first housing, the first and second flow directing members being disposed within an interior of the first housing, the second housing enclosing the first housing, the first flow directing member, and the second flow directing member, respectively, to isolate the preheat passage and the return passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996250.2U CN212629071U (en) | 2020-09-11 | 2020-09-11 | Cold plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996250.2U CN212629071U (en) | 2020-09-11 | 2020-09-11 | Cold plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212629071U true CN212629071U (en) | 2021-02-26 |
Family
ID=74705305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021996250.2U Active CN212629071U (en) | 2020-09-11 | 2020-09-11 | Cold plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212629071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902034A (en) * | 2020-09-11 | 2020-11-06 | 深圳市英维克科技股份有限公司 | Cold plate |
| US11807381B2 (en) | 2021-03-16 | 2023-11-07 | Rolls-Royce Corporation | Aircraft hybrid propulsion system including cold plate for a high density power converter |
-
2020
- 2020-09-11 CN CN202021996250.2U patent/CN212629071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902034A (en) * | 2020-09-11 | 2020-11-06 | 深圳市英维克科技股份有限公司 | Cold plate |
| US11807381B2 (en) | 2021-03-16 | 2023-11-07 | Rolls-Royce Corporation | Aircraft hybrid propulsion system including cold plate for a high density power converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10747276B2 (en) | Cooling system and water cooling radiator | |
| US6867973B2 (en) | Heat dissipation device with liquid coolant | |
| US11223081B2 (en) | Serpentine counter flow cold plate for a vehicle battery module | |
| CN212629071U (en) | Cold plate | |
| CN109982543B (en) | Liquid cooling radiator | |
| CN215418156U (en) | Microchannel copper-aluminum composite relieving liquid cooling radiator | |
| TWI694325B (en) | Liquid cooling sink | |
| CN212086783U (en) | Radiating assembly, electrical box and air conditioner | |
| TWM442535U (en) | Heat-dissipating device and heat-dissipating module | |
| JP2008258340A (en) | Cooler and electronic apparatus equipped with the same | |
| WO2017049867A1 (en) | Heat dissipation device and heat dissipation plate thereof | |
| CN207491450U (en) | A kind of liquid cooling plate | |
| CN111902034A (en) | Cold plate | |
| CN115540640A (en) | Heat exchange assembly | |
| CN215187996U (en) | Liquid cooling plate and heat dissipation equipment | |
| CN213715872U (en) | Be applied to industrial control mobile terminal's waterproof heat radiation structure | |
| CN212113699U (en) | Radiator and power module | |
| CN210579773U (en) | Liquid cooling heat dissipation assembly and liquid cooling heat dissipation system comprising same | |
| CN208572652U (en) | A kind of aluminum profile water-cooled radiator | |
| CN115279111A (en) | Liquid cooling plate and heat dissipation equipment | |
| CN218735701U (en) | Heat sink device | |
| CN115004362A (en) | Cooling structure and radiator | |
| CN215345609U (en) | Liquid cooling heat conduction gasket and liquid cooling device | |
| CN214482008U (en) | Liquid cooling heat radiation structure | |
| CN116916632B (en) | Microchannel cold plate with staggered shearing flow channels and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |