WO2018000845A1 - 一种柔性换热单元、液冷散热装置及液冷散热系统 - Google Patents

一种柔性换热单元、液冷散热装置及液冷散热系统 Download PDF

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WO2018000845A1
WO2018000845A1 PCT/CN2017/075254 CN2017075254W WO2018000845A1 WO 2018000845 A1 WO2018000845 A1 WO 2018000845A1 CN 2017075254 W CN2017075254 W CN 2017075254W WO 2018000845 A1 WO2018000845 A1 WO 2018000845A1
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Prior art keywords
heat exchange
exchange unit
flexible
heat
liquid
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PCT/CN2017/075254
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English (en)
French (fr)
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王超
李尧
池善久
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华为技术有限公司
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Publication of WO2018000845A1 publication Critical patent/WO2018000845A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means

Definitions

  • Embodiments of the present invention relate to the field of heat dissipation technologies, and in particular, to a flexible heat exchange unit, a liquid cooling heat sink, and a liquid cooling heat dissipation system.
  • the air-cooling heat dissipating device refers to a device that uses a fan to blow away the heat dissipated by the heat dissipating device;
  • the liquid cooling heat dissipating device refers to a kind of heat that is forced to circulate away from the heat dissipating device by using the liquid under the driving of the pump. Device.
  • the existing liquid-cooling heat sink can arrange the cooling pipes in the interval of the array-disposed heat sinks, and the cooling pipes and the heat sinks are in contact with each other, so that the coolant When flowing in the cooling pipe, the heat dissipated by the heat dissipating device is taken away to achieve the purpose of dissipating heat for the heat dissipating device.
  • the cooling pipes in the existing liquid cooling heat sinks need to be welded to the water separator of the liquid cooling heat sink, which has many solder joints, high cost and complicated maintenance.
  • the embodiment of the invention provides a flexible heat exchange unit, a liquid cooling heat dissipating device and a liquid cooling heat dissipating system, which can achieve the purpose of dissipating heat for the heat dissipating device through the flexible heat exchange unit, and does not need welding, thereby reducing the heat dissipating cost.
  • an embodiment of the present invention provides a flexible heat exchange unit, wherein the flexible heat exchange unit is in contact with a heat sink unit, and the flexible heat exchange unit includes: a flexible heat exchange unit body and a reinforcing rib disposed on the body of the flexible heat exchange unit; Wherein, the flexible heat exchange unit body is used for storing and transmitting the heat exchange liquid, the heat exchange liquid is used for heat dissipation of the device to be heat dissipated; and the reinforcing rib is used for enhancing the strength of the flexible heat exchange unit body.
  • the flexible heat exchange unit since the flexible heat exchange unit is in contact with the device to be dissipated, the heat radiated by the heat sink device during operation can be transferred to the heat exchange liquid stored in the main body of the flexible heat exchange unit, and the heat exchange is performed simultaneously.
  • the liquid flows in the main body of the flexible heat exchange unit, and takes away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink.
  • the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the dispersion. Thermal costs.
  • the reinforcing rib comprises at least one of a split pressure rib and a turning partition rib; wherein the split pressure rib is used to enhance the hydraulic strength inside the flexible heat exchange unit body; the turn partition rib is used to reduce the flexible heat exchange unit The turning radius of the body.
  • the flexible heat exchange unit further includes: a support body disposed inside the flexible heat exchange unit body; wherein the support body is used to support the flexible heat exchange unit body; the shape of the cross section of the support body is circular, T-shaped or rectangular.
  • the flexible heat exchange unit body includes: an inlet port for inputting the heat exchange liquid, a liquid outlet for outputting the heat exchange liquid, and an internal flow for storing the heat exchange liquid and providing a flow passage for the heat exchange liquid Road.
  • an embodiment of the present invention provides a liquid cooling heat dissipating device, comprising: a flexible heat exchange unit having any of the features described in the first aspect, wherein the flexible heat exchange unit is in contact with the device to be dissipated, and the flexible heat exchange unit is in accordance with the device to be dissipated The arrangement of the arrangement is arranged; wherein the flexible heat exchange unit is used for dissipating heat through the heat exchange liquid flowing through the flexible heat exchange unit for the heat sink.
  • the liquid cooling heat dissipating device further includes: a heat conducting unit that is in contact with both the flexible heat exchange unit and the heat sinking unit; wherein the heat conducting unit is configured to conduct heat radiated by the heat sink to the flexible heat exchange unit.
  • the liquid cooling heat dissipating device further includes: at least one supporting positioning unit disposed between the flexible heat exchange unit and the heat conducting unit and in contact with the flexible heat exchange unit and the heat conducting unit; wherein, the support A positioning unit for fixing the flexible heat exchange unit.
  • the liquid cooling heat dissipating device further includes: at least one supporting positioning unit in contact with the flexible heat exchange unit, wherein the supporting positioning unit and the heat conducting unit are respectively located on two sides of the flexible heat exchange unit; wherein the support positioning Unit for fixing the flexible heat exchange unit.
  • the flexible heat exchange unit may also be fixed inside the at least one supporting positioning unit, and the flexible heat exchange unit may be wrapped outside the at least one supporting positioning unit.
  • liquid cooling heat dissipating device comprises a plurality of supporting positioning units
  • two adjacent supporting positioning units are connected by a fixing device.
  • the fixture is a hinge.
  • the embodiment of the present invention further provides a liquid cooling heat dissipating system, comprising: a liquid cooling heat dissipating device having any of the features described in the second aspect, and at least one device to be dissipated; wherein the liquid cooling device is used for passing liquid
  • the heat exchange liquid circulating in the flexible heat exchange unit in the cold heat sink is used to dissipate heat from the heat sink.
  • the embodiment of the invention provides a flexible heat exchange unit, a liquid cooling heat dissipating device and a liquid cooling heat dissipating system, wherein the flexible heat exchange unit is in contact with the device to be dissipated, and the flexible heat exchange unit comprises: a flexible heat exchange unit body and a reinforcing rib disposed on the main body of the flexible heat exchange unit; wherein the flexible heat exchange unit body is configured to store and transport the heat exchange liquid, the heat exchange liquid is used for heat dissipation of the device to be heat dissipated; and the reinforcing rib is used to enhance the main body of the flexible heat exchange unit strength.
  • the flexible heat exchange unit since the flexible heat exchange unit is in contact with the device to be dissipated, the heat dissipated during the operation of the heat dissipating device can be transferred to the heat exchange liquid stored in the main body of the flexible heat exchange unit, and the heat exchange liquid is in the flexible heat exchange.
  • the unit body flows to take away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink.
  • the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • FIG. 1 is a top plan view of a flexible heat exchange unit according to an embodiment of the present invention.
  • FIG. 2 is a bent side view of a flexible heat exchange unit according to an embodiment of the present invention.
  • FIG. 3 is a top view of a flexible heat exchange unit according to an embodiment of the present invention.
  • FIG. 4 is a top view of a liquid cooling device according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of X-X' in a plan view of a liquid cooling device according to an embodiment of the present invention
  • FIG. 6 is a top view of a liquid cooling device according to an embodiment of the present invention.
  • FIG. 7 is a top view of a liquid cooling device according to an embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of X-X' in a top view of the liquid cooling device according to an embodiment of the present invention.
  • FIG. 9 is a top view of a liquid cooling device according to an embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of X-X' in a plan view of a liquid cooling device according to an embodiment of the present invention
  • FIG. 11 is a top view of a liquid cooling device according to an embodiment of the present invention.
  • FIG. 12 is a cross-sectional view of X-X' in a plan view of a liquid cooling device according to an embodiment of the present invention
  • Figure 13 is a side view 1 of another liquid cooling device according to an embodiment of the present invention.
  • Figure 14 is a side view 2 of another liquid cooling device according to an embodiment of the present invention.
  • FIG. 15 is a side view 3 of another liquid cooling device according to an embodiment of the present invention.
  • association relationship describing an association object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and A exists at the same time. And B, there are three cases of B alone.
  • character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • the technical solution of the embodiment of the invention can be applied to various scenarios that require a liquid cooling device.
  • the liquid cooling heat dissipating device refers to a device that uses a liquid to forcibly circulate the heat of the heat dissipating device under the driving of the pump, and the heat dissipating performance of the liquid cooling heat dissipating device is proportional to the flow rate of the heat exchange liquid (water or other liquid) therein.
  • the liquid-cooled heat sink has the advantages of quietness, stable temperature drop, and low dependence on the environment.
  • the central processing unit (CPU) and the memory are the two key components in the computer, and the heat consumption is more than 80% of the total power consumption of the computer.
  • the key object of cold heat dissipation the CPU is generally laid along the motherboard layout, and the power consumption is relatively concentrated; while the memory is generally perpendicular to the array layout of the motherboard, the number of cards is numerous, and the power consumption is relatively dispersed.
  • the flexible heat exchange unit in the heat dissipating device can be arranged according to the shape of the device to be dissipated (ie, the heat dissipating device can be simultaneously satisfied by the CPU along the layout of the main board and the memory is perpendicular to the layout of the main board array.
  • the arrangement requirement achieves the purpose of dissipating heat for the heat generating device without soldering, thereby reducing the cost of the heat sink.
  • the embodiment of the present invention provides a flexible heat exchange unit 10, and the top view of the flexible heat exchange unit 10 is as shown in FIG. 1 , and the flexible heat exchange unit 10 and the device to be dissipated (not shown in FIG. 1 ), the flexible heat exchange unit 10 includes a flexible heat exchange unit body 100 and a reinforcing rib 101 disposed on the flexible heat exchange unit body 100.
  • the flexible heat exchange unit body 100 is configured to store and transport a heat exchange liquid, and the heat exchange liquid is used to dissipate heat for the device to be cooled.
  • the reinforcing ribs 101 serve to enhance the strength of the flexible heat exchange unit body 100.
  • the flexible heat exchange unit 10 provided by the embodiment of the present invention is in contact with the device to be dissipated, and the heat dissipated during the operation of the heat dissipating device can be transferred to the heat exchange liquid stored in the main body 100 of the flexible heat exchange unit, and the heat exchange liquid is in the flexible heat exchange.
  • the unit body 100 flows to take away the heat dissipated by the heat dissipating device, thereby achieving the purpose of dissipating heat for the device to be dissipated.
  • the flexible heat exchange unit 10 replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • the reinforcing rib 101 includes at least one of a split pressure rib and a turn partition rib (as shown in FIG. 1 is a case where the rib 101 includes a split pressure rib and a turn partition rib).
  • the split pressure bearing rib is disposed at a portion of the flexible heat exchange unit main body 100 that is in contact with the heat sink. And the direction of the split pressure rib is set to be consistent with the flow direction of the heat exchange liquid (the reinforcing rib 101 shown in the horizontal direction in FIG. 1), and the split pressure rib is used to enhance the hydraulic strength inside the main body of the flexible heat exchange unit, thereby The strength of the flexible heat exchange unit body 100 is enhanced; the turning partition rib is disposed in the bending region of the flexible heat exchange unit body 100 (the reinforcing rib 101 shown in the longitudinal direction of FIG. 1), and the turning partition rib is used to reduce the flexible heat exchange unit body The turning radius (the bent side view of the flexible heat exchange unit 10 is as shown in FIG. 2), thereby enhancing the strength of the flexible heat exchange unit body 100.
  • the flexible heat exchange unit 10 further includes a support body 102 (a portion indicated by a broken line in FIG. 3) disposed inside the flexible heat exchange unit main body 100.
  • the support body 102 is used to support the flexible heat exchange unit body 100; the shape of the cross section of the support body 102 is circular, T-shaped or rectangular.
  • the flexible heat exchange unit body 100 includes a liquid inlet 1000, a liquid outlet 1001, and an internal flow passage.
  • the liquid inlet 1000 is used to input a heat exchange liquid.
  • the liquid outlet 1001 is for outputting a heat exchange liquid.
  • the internal flow path is used to store the heat exchange liquid and provide a flow passage for the heat exchange liquid.
  • liquid inlet 1000 and the liquid outlet 1001 of the flexible heat exchange unit body 100 can be normally exchanged, and the liquid inlet 1000 can be used as the liquid port 1001, and the outlet port 1001 can also be used as The liquid inlet 1000 is used, which is not limited in the embodiment of the present invention.
  • the average thickness of the flexible heat exchange unit body 100 can be as small as 0.4 mm to meet the heat dissipation of the device to be dissipated in a narrow space.
  • the embodiment of the invention provides a flexible heat exchange unit, the flexible heat exchange unit is in contact with the device to be dissipated, and the flexible heat exchange unit comprises: a flexible heat exchange unit body and a reinforcing rib disposed on the main body of the flexible heat exchange unit;
  • the heat unit body is used for storing and transferring the heat exchange liquid, and the heat exchange liquid is used for heat dissipation of the device to be heat-dissipated; the reinforcing ribs are used for enhancing the strength of the flexible heat exchange unit body.
  • the flexible heat exchange unit since the flexible heat exchange unit is in contact with the device to be dissipated, the heat dissipated during the operation of the heat dissipating device can be transferred to the heat exchange liquid stored in the main body of the flexible heat exchange unit, and the heat exchange liquid is in the flexible heat exchange.
  • the unit body flows to take away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink.
  • the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • an embodiment of the present invention provides a liquid cooling heat dissipating device, wherein the heat dissipating device is a memory in a computer, and a top view of the liquid cooling heat dissipating device is as shown in FIG. 4 , and the liquid cooling
  • the heat dissipating device comprises: a flexible heat exchange unit 10 having any of the above features (as indicated by an arrow in FIG. 4), the flexible heat exchange unit 10 is in contact with the memory 2, and the flexible heat exchange unit 10 is arranged according to the arrangement shape of the memory 2. cloth.
  • the plurality of memories 2 are arranged in an array, so that the flexible heat exchange unit 10 is wound according to the shape of the array of the memory 2, and the flexible heat exchange unit 10 is located above or on the side of the plurality of memories 2 (shown in FIG. 4). The case where the flexible heat exchange unit 10 is located on the side of the plurality of memories 2).
  • FIG. 5 A cross-sectional view of the liquid cooling heat sink along X-X' in Fig. 4 is shown in Fig. 5, in which the memory slot 3 is disposed on the substrate 4, and the memory 2 is inserted into the memory slot 3.
  • the cross-sectional shape of the flexible heat exchange unit 10 in FIG. 5 is only an exemplary case, which is not limited in the embodiment of the present invention.
  • the heat exchange liquid is input from the liquid inlet 1000 in the direction indicated by the arrow in FIG. 6, flows through the internal flow path, and is output from the liquid outlet 1001. Since the flexible heat exchange unit 10 and the memory 2 are in direct contact, the heat radiated by the memory 2 during operation is transferred to the heat exchange liquid in the flexible heat exchange unit 10, thereby achieving the purpose of dissipating heat for the memory. At the same time, the flexible heat exchange unit 10 replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • the flexible heat exchange unit 10 provided by the embodiment of the present invention can design different flow path intervals and turning shapes according to the number and spacing of the memory 2, and ensure the shape and the smooth flow of the internal flow path during cornering.
  • the liquid cooling The heat sink further includes: a heat conducting unit 11 that is in contact with both the flexible heat exchange unit 10 and the memory 2.
  • the heat conduction unit 11 is configured to conduct heat radiated from the memory 2 to the flexible heat exchange unit 10 .
  • the heat conduction unit 11 can also reduce the contact thermal resistance between the flexible heat exchange unit 10 and the memory 2.
  • the liquid The cooling device also includes:
  • At least one support positioning unit 12 disposed between the flexible heat exchange unit 10 and the heat transfer unit 11 and in contact with both the flexible heat exchange unit 10 and the heat transfer unit 11 is provided.
  • the support positioning unit 12 is configured to fix the flexible heat exchange unit 10, and provides support for the installation process of the memory 2 to ensure smooth installation of the memory 2.
  • the internal flow path of the liquid cooling heat dissipating device shown in FIG. 9 and FIG. 10 is a single circuit flow path, and the flexible heat exchange unit 10 is fixed inside the at least one supporting positioning unit 12, and the heat exchange liquid enters.
  • the liquid port 1000 is input, flows through the internal flow path, and is output from the liquid outlet 1001.
  • the flexible heat exchange unit 10 and the support positioning unit 12 are in direct contact, the support positioning unit 12 and the heat conduction unit 11 are in direct contact, and the memory 2 and the heat conduction unit 11 are in direct contact, so the flexible heat exchange unit 10 and the memory 2 are in indirect contact, and the memory 2 is in
  • the heat dissipated during operation is transmitted to the support positioning unit 12 through the heat transfer unit 11 and then transferred to the heat exchange liquid in the flexible heat exchange unit 10, thereby achieving the purpose of dissipating heat for the memory.
  • the heat dissipation also includes:
  • At least one supporting positioning unit 12 in contact with the flexible heat exchange unit 10, the supporting positioning unit 12 and the heat conducting unit 11 are respectively located on both sides of the flexible heat exchange unit 10.
  • the support positioning unit 12 is configured to fix the flexible heat exchange unit 10, and provides support for the installation process of the memory 2 to ensure smooth installation of the memory 2.
  • the internal flow path of the liquid cooling heat sink shown in FIG. 11 and FIG. 12 is a double circuit.
  • the flow path, the flexible heat exchange unit 10 is wrapped around the at least one support positioning unit 12, and the heat exchange liquid is input from the liquid inlet 1000, flows through the internal flow path, and is output from the liquid outlet 1001. Since the flexible heat exchange unit 10 and the heat conduction unit 11 are in direct contact, and the memory 2 and the heat conduction unit 11 are in direct contact, the flexible heat exchange unit 10 and the memory 2 are in indirect contact, and the heat radiated by the memory 2 during operation is transmitted to the flexible through the heat conduction unit 11.
  • the heat exchange liquid in the heat exchange unit 10 achieves the purpose of dissipating heat for the memory.
  • the support positioning unit 12 provided by the embodiment of the present invention can also ensure the pressing force between the flexible heat exchange unit 11 and the memory 2, so that the heat released by the memory 2 can be better transmitted to the flexible heat exchange unit. 10 heat exchange liquid.
  • liquid cooling heat dissipating device includes a plurality of supporting positioning units 12, two adjacent supporting positioning units 12 are connected by a fixing device, thereby simplifying the installation and disassembly of the at least one supporting positioning unit 12, and reducing maintenance costs.
  • the fixing device may be a fixing device such as a hinge that can function as a connecting member.
  • the flexible heat exchange unit 10 can be a flexible device capable of storing liquid such as a water bag or a hose; the support positioning unit 12 can select a metal material that is easy to conduct heat or a polyvinyl chloride (PVC) material.
  • the heat-conducting unit 11 can select a heat-conducting material having a good thermal conductivity, such as a thermal pad, which is not limited in the embodiment of the present invention.
  • Embodiments of the present invention provide a liquid cooling heat sink. Based on the description of the above embodiment, since the flexible heat exchange unit is in contact with the device to be dissipated, the heat dissipated during the operation of the heat dissipating device can be transferred to the heat exchange liquid stored in the main body of the flexible heat exchange unit, and the heat exchange liquid is in the flexible heat exchange. The unit body flows to take away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink. At the same time, the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • the embodiment of the present invention provides a liquid cooling heat dissipating device, wherein the heat dissipating device is a CPU in a computer, and a side view of the liquid cooling device is shown in FIG.
  • the cold heat sink includes: a flexible heat exchange unit 10 having any of the above features, the flexible heat exchange unit 10 is in contact with the CPU 5, the CPU 5 is disposed above the substrate 4, and the flexible heat exchange unit 10 is located at an upper portion of the CPU 5.
  • the flexible heat exchange unit 10 is configured to store heat exchange liquid, and the heat exchange liquid is used to dissipate heat for the CPU 5.
  • the liquid cooling device further includes:
  • the heat conduction unit 11 is configured to conduct heat radiated by the CPU 5 to the flexible heat exchange unit 10.
  • the heat conduction unit 11 is also capable of reducing the contact thermal resistance between the flexible heat exchange unit 10 and the CPU 5.
  • the liquid cooling heat dissipating device may further include a pressing member 13 for ensuring contact between the flexible heat exchange unit 10 and the CPU 5.
  • the pressing member 13 can be a plastic clip, a metal clip or a screw.
  • the flexible heat exchange unit 10 and the CPU 5 can ensure contact through the adhesive heat conducting unit 11, or use a glue or the like to have a blocking effect.
  • the material of the flexible heat exchange unit 10, the heat transfer unit 11 and the CPU 5 are adhered together, which is not limited in the embodiment of the present invention.
  • the flexible heat exchange unit 10 may be a flexible device capable of storing a liquid such as a water bag or a hose; the support positioning unit 12 may be selected from a metal material or a polyvinyl chloride material that is easy to conduct heat; the heat conduction unit 11 may A thermal conductive material having a good thermal conductivity, such as a thermal pad, is selected, which is not limited in the embodiment of the present invention.
  • Embodiments of the present invention provide a liquid cooling heat sink. Based on the description of the above embodiment, since the flexible heat exchange unit is in contact with the device to be dissipated, the heat dissipated during the operation of the heat dissipating device can be transferred to the heat exchange liquid stored in the main body of the flexible heat exchange unit, and the heat exchange liquid is in the flexible heat exchange. The unit body flows to take away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink. At the same time, the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.
  • the embodiment of the invention further provides a liquid cooling heat dissipating system, comprising: a liquid cooling heat dissipating device having any of the above features, and at least one device to be dissipated; wherein the liquid cooling heat dissipating device is used for the flexible switching in the liquid cooling heat dissipating device
  • the heat exchange liquid flowing in the heat unit dissipates heat for the heat sink.
  • the unit body flows to take away the heat dissipated by the heat sink, thereby achieving the purpose of dissipating heat for the heat sink.
  • the flexible heat exchange unit replaces the cooling pipe in the conventional liquid cooling heat sink, eliminating the welding process in the prior art and reducing the heat dissipation cost.

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Abstract

一种柔性换热单元（10）、液冷散热装置及液冷散热系统，能够通过柔性换热单元（10）达到为待散热装置散热的目的，同时无需焊接，降低了散热成本。该柔性换热单元（10）包括：柔性换热单元主体（100）和设置于柔性换热单元主体（100）上的增强筋（101）；其中，柔性换热单元主体（100）用于存储并传输换热液体，换热液体用于为待散热装置散热；增强筋（101）用于增强柔性换热单元主体（100）的强度。

Description

一种柔性换热单元、液冷散热装置及液冷散热系统
本申请要求于2016年06月30日提交中国专利局、申请号为201610512538.X、发明名称为“一种柔性换热单元、液冷散热装置及液冷散热系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及散热技术领域，尤其涉及一种柔性换热单元、液冷散热装置及液冷散热系统。
背景技术
随着计算机硬件集成度的不断提升，计算机硬件的功耗也明显增大，因此需要一种高效的散热装置来降低计算机硬件工作时所产生的热量，从而增加计算机硬件的寿命。常用的散热装置依据散热方式可以分为风冷散热装置和液冷散热装置。其中，风冷散热装置是指使用风扇将待散热装置散发的热量吹散的一种装置；液冷散热装置是指使用液体在泵的带动下强制循环带走待散热装置散发的热量的一种装置。
对于阵列式排布的待散热装置，现有的液冷散热装置能够通过在阵列式排布的待散热装置的间隔内排布冷却管道，冷却管道与待散热装置之间相互接触，使得冷却液在冷却管道内流动时带走待散热装置散发的热量，达到为待散热装置散热的目的。然而，现有的液冷散热装置中的冷却管道均需要焊接在液冷散热装置的分水器上，焊点多，成本高且维护复杂。
发明内容
本发明的实施例提供一种柔性换热单元、液冷散热装置及液冷散热系统，能够通过柔性换热单元达到为待散热装置散热的目的，同时无需焊接，降低了散热成本。
为达到上述目的，本发明的实施例采用如下技术方案：
第一方面，本发明实施例提供一种柔性换热单元，柔性换热单元与待散热装置接触，柔性换热单元包括：柔性换热单元主体和设置于柔性换热单元主体上的增强筋；其中，柔性换热单元主体用于存储并传输换热液体，换热液体用于为待散热装置散热；增强筋用于增强柔性换热单元主体的强度。
本发明实施例提供的柔性换热单元中，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散 热成本。
进一步地，增强筋包括分流承压加强筋和转弯隔断筋中的至少一个；其中，分流承压加强筋用于增强柔性换热单元主体内部的液压强度；转弯隔断筋用于减少柔性换热单元主体的转弯半径。
进一步地，柔性换热单元还包括：设置于柔性换热单元主体内部的支撑体；其中，支撑体用于支撑柔性换热单元主体；支撑体的截面的形状为圆形、T形或者矩形。
进一步地，柔性换热单元主体包括：用于输入换热液体的入液口、用于输出换热液体的出液口和用于存储换热液体，并为换热液体提供流通通道的内部流道。
第二方面，本发明实施例提供一种液冷散热装置，包括具有第一方面所描述的任意特征的柔性换热单元，柔性换热单元与待散热装置接触，柔性换热单元根据待散热装置的排布形状排布；其中，柔性换热单元用于通过柔性换热单元内流通的换热液体，为待散热装置散热。
本发明实施例提供的液冷散热装置的技术效果可以参见上述第一方面中柔性换热单元的技术效果，此处不再赘述。
进一步地，液冷散热装置还包括：与柔性换热单元和待散热装置均接触的导热单元；其中，导热单元，用于将待散热装置散发的热量传导到柔性换热单元。
在第一种可能的实现方式中，液冷散热装置还包括：设置在柔性换热单元和导热单元之间的，与柔性换热单元和导热单元均接触的至少一个支撑定位单元；其中，支撑定位单元，用于固定柔性换热单元。
在第二种可能的实现方式中，液冷散热装置还包括：与柔性换热单元接触的至少一个支撑定位单元，支撑定位单元和导热单元分别位于柔性换热单元的两侧；其中，支撑定位单元，用于固定柔性换热单元。
本发明实施例提供的液冷散热装置中，柔性换热单元也可以被固定在至少一个支撑定位单元的内部，柔性换热单元可以包裹在至少一个支撑定位单元的外部。
进一步地，当液冷散热装置包括多个支撑定位单元时，两个相邻的支撑定位单元之间通过固定装置连接。
进一步地，固定装置为铰链。
第三方面，本发明实施例还提供一种液冷散热系统，包括具有第二方面所描述的任意特征的液冷散热装置，以及至少一个待散热装置；其中，液冷散热装置用于通过液冷散热装置中的柔性换热单元内流通的换热液体，为待散热装置散热。
本发明实施例提供的液冷散热系统的技术效果可以参见上述第一方面中柔性换热单元的技术效果，此处不再赘述。
本发明实施例提供一种柔性换热单元、液冷散热装置及液冷散热系统，柔性换热单元与待散热装置接触，柔性换热单元包括：柔性换热单元主体和 设置于柔性换热单元主体上的增强筋；其中，柔性换热单元主体用于存储并传输换热液体，换热液体用于为待散热装置散热；增强筋用于增强柔性换热单元主体的强度。基于上述实施例的描述，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
附图说明
图1为本发明实施例提供的一种柔性换热单元的俯视图一；
图2为本发明实施例提供的一种柔性换热单元的弯折侧视图；
图3为本发明实施例提供的一种柔性换热单元的俯视图二；
图4为本发明实施例提供的一种液冷散热装置的俯视图一；
图5为本发明实施例提供的一种沿液冷散热装置的俯视图一中X-X’的截面图；
图6为本发明实施例提供的一种液冷散热装置的俯视图二；
图7为本发明实施例提供的一种液冷散热装置的俯视图三；
图8为本发明实施例提供的一种沿液冷散热装置的俯视图三中X-X’的截面图；
图9为本发明实施例提供的一种液冷散热装置的俯视图四；
图10为本发明实施例提供的一种沿液冷散热装置的俯视图四中X-X’的截面图；
图11为本发明实施例提供的一种液冷散热装置的俯视图五；
图12为本发明实施例提供的一种沿液冷散热装置的俯视图五中X-X’的截面图；
图13为本发明实施例提供的另一种液冷散热装置的侧视图一；
图14为本发明实施例提供的另一种液冷散热装置的侧视图二；
图15为本发明实施例提供的另一种液冷散热装置的侧视图三。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行详细地描述。
以下描述中，为了说明而不是为了限定，提出了诸如特定系统结构、接口、技术之类的具体细节，以便透切理解本申请。然而，本领域的技术人员应当清楚，在没有这些具体细节的其它实施例中也可以实现本申请。在其它情况中，省略对众所周知的装置、电路以及方法的详细说明，以免不必要的细节妨碍本申请的描述。
此外，本申请的说明书和权利要求书及附图中的术语“包括”和“具有” 以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
另外，本申请实施例中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
需要说明的是：本发明实施例中所描述的“上”“下”只是参考附图对本发明实施例进行说明，不作为限定用语。
本发明实施例的技术方案可以应用于各种需要液冷散热装置的场景。液冷散热装置是指使用液体在泵的带动下强制循环带走待散热装置的热量的一种装置，液冷散热装置的散热性能与其中换热液体(水或其他液体)的流速成正比。液冷散热装置与风冷散热装置相比，具有安静、降温稳定、对环境依赖小等优点。
以待散热装置为计算机中为例，中央处理器(Central Processing Unit，CPU)和内存作为计算机中的两大关键器件，所产生的热耗占到计算机总功耗的80％以上，是需要液冷散热的重点对象。其中，CPU一般沿主板平铺布局，且功耗相对集中；而内存一般垂直于主板阵列式布局，插卡数量众多，且功耗相对分散。本发明实施例提供的一种散热装置，散热装置中的柔性换热单元能够根据待散热装置的形状排布(即可以同时满足CPU沿主板平铺布局和内存垂直于主板阵列式布局对散热装置的排布需求)，达到为发热装置散热的目的，同时无需焊接，降低了散热装置的成本。
本发明实施例提供一种柔性换热单元10，该柔性换热单元10的俯视图如图1所示，柔性换热单元10与待散热装置(图1中未画出)，该柔性换热单元10包括：柔性换热单元主体100和设置于柔性换热单元主体100上的增强筋101。
其中，柔性换热单元主体100用于存储并传输换热液体，换热液体用于为待散热装置散热。
增强筋101用于增强柔性换热单元主体100的强度。
本发明实施例提供的柔性换热单元10和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体100内存储的换热液体，同时换热液体在柔性换热单元主体100内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元10替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
进一步地，增强筋101包括分流承压加强筋和转弯隔断筋中的至少一个(如图1中所示的是增强筋101包括分流承压加强筋和转弯隔断筋的情况)。
分流承压加强筋设置在柔性换热单元主体100与待散热装置接触的部分， 且分流承压加强筋设置的方向与换热液体的流动方向一致(如图1中横向所示的增强筋101)，分流承压加强筋用于增强柔性换热单元主体内部的液压强度，从而增强柔性换热单元主体100的强度；转弯隔断筋设置于柔性换热单元主体100的弯折区(如图1中纵向所示的增强筋101)，转弯隔断筋用于减少柔性换热单元主体的转弯半径(柔性换热单元10的弯折侧视图图如图2所示)，从而增强柔性换热单元主体100的强度。
进一步地，如图3所示，柔性换热单元10还包括：设置于柔性换热单元主体内部100的支撑体102(如图3中虚线所指示的部分)。其中，支撑体102用于支撑柔性换热单元主体100；支撑体102的截面的形状为圆形、T形或者矩形。
进一步地，柔性换热单元主体100包括：入液口1000、出液口1001和内部流道。
其中，入液口1000用于输入换热液体。出液口1001用于输出换热液体。内部流道用于存储换热液体，并为换热液体提供流通通道。
需要说明的是，在实际应用中，柔性换热单元主体100的入液口1000和出液口1001通常可以调换，入液口1000可以当做出液口1001使用，出夜口1001也可以当做入液口1000使用，本发明实施例对此不作限制。
进一步地，柔性换热单元主体100的平均厚度最小可以达到0.4毫米，以满足较窄空间内的待散热装置的散热。
本发明实施例提供一种柔性换热单元，柔性换热单元与待散热装置接触，柔性换热单元包括：柔性换热单元主体和设置于柔性换热单元主体上的增强筋；其中，柔性换热单元主体用于存储并传输换热液体，换热液体用于为待散热装置散热；增强筋用于增强柔性换热单元主体的强度。基于上述实施例的描述，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
在第一种可能的实现方式中，本发明实施例提供一种液冷散热装置，以待散热装置为计算机中的内存为例，该液冷散热装置的俯视图如图4所示，该液冷散热装置包括：具有上述任一特征的柔性换热单元10(如图4中箭头所指示的部分)，柔性换热单元10与内存2接触，柔性换热单元10根据内存2的排布形状排布。通常，多个内存2呈现阵列式排布，因此柔性换热单元10根据内存2阵列排布的形状缠绕排布，柔性换热单元10位于多个内存2的上方或者侧面(图4所示的为柔性换热单元10位于多个内存2的侧面的情况)。
液冷散热装置沿图4中X-X’的截面图如图5所示，其中，内存插槽3设置在衬底4上，内存2插入内存插槽3中。
需要说明的是，由于柔性换热单元10是一种能够自由弯折的结构，因此图5中柔性换热单元10的截面形状只是一种示例性的情况，本发明实施例对此不作限制。
可以理解的是，换热液体沿图6中箭头所指示的方向，从入液口1000输入，流经内部流道，从出液口1001输出。由于柔性换热单元10和和内存2直接接触，内存2在工作时散发的热量传递到柔性换热单元10内的换热液体，从而达到为内存散热的目的。同时，柔性换热单元10替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
还需要说明的是，本发明实施例提供的柔性换热单元10可根据内存2的数量和间距设计出不同的流道间隔和转弯形状，保证转弯时的形状和内部流道的畅通。
进一步地，结合图4，如图7和图8所示(其中图7为液冷散热装置的俯视图，图8为液冷散热装置沿图7中X-X’的截面图)，该液冷散热装置还包括：与柔性换热单元10和内存2均接触的导热单元11。
其中，导热单元11，用于将内存2散发的热量传导到柔性换热单元10。
具体的，导热单元11还能够降低柔性换热单元10和内存2之间的接触热阻。
可选的，结合图7，如图9和图10所示(其中图9为液冷散热装置的俯视图，图10为液冷散热装置沿图9中X-X’的截面图)，该液冷散热装置还包括：
设置在柔性换热单元10和导热单元11之间的，与柔性换热单元10和导热单元11均接触的至少一个支撑定位单元12。
其中，支撑定位单元12，用于固定柔性换热单元10，为内存2的安装过程中提供支撑，保证内存2的顺利安装。
可以看出的是，图9和图10所示的液冷散热装置的内部流道为单回路流道，柔性换热单元10被固定在至少一个支撑定位单元12的内部，换热液体从入液口1000输入，流经内部流道，从出液口1001输出。由于柔性换热单元10和支撑定位单元12直接接触，支撑定位单元12和导热单元11直接接触，且内存2和导热单元11直接接触，因此柔性换热单元10和内存2间接接触，内存2在工作时散发的热量通过导热单元11传递到支撑定位单元12，再传递到柔性换热单元10内的换热液体，从而达到为内存散热的目的。
可选的，结合图7，如图11和图12所示(其中图11为液冷散热装置的俯视图，图12为液冷散热装置沿图11中X-X’的截面图)，该散热装置还包括：
与柔性换热单元10接触的至少一个支撑定位单元12，支撑定位单元12和导热单元11分别位于柔性换热单元10的两侧。
其中，支撑定位单元12，用于固定柔性换热单元10，为内存2的安装过程中提供支撑，保证内存2的顺利安装。
可以看出的是，图11和图12所示的液冷散热装置的内部流道为双回路 流道，柔性换热单元10包裹在至少一个支撑定位单元12的外部，换热液体从入液口1000输入，流经内部流道，从出液口1001输出。由于柔性换热单元10和导热单元11直接接触，且内存2和导热单元11直接接触，因此柔性换热单元10和内存2间接接触，内存2在工作时散发的热量通过导热单元11传递到柔性换热单元10内的换热液体，从而达到为内存散热的目的。
还需要说明的是，本发明实施例提供的支撑定位单元12还可以保证柔性换热单元11和内存2之间的压紧力，使得内存2释放的热量能够更好地传递到柔性换热单元10中的换热液体。
进一步地，当液冷散热装置包括多个支撑定位单元12时，两个相邻的支撑定位单元12之间通过固定装置连接，从而简化至少一个支撑定位单元12的安装与拆卸，降低维护成本。
具体的，固定装置可以为铰链等能够起到连接件作用的固定装置。
在具体的实现过程中，柔性换热单元10可以是水袋、软管等能够存储液体的柔性装置；支撑定位单元12可以选择易于导热的金属材料或者聚氯乙烯(Polyvinyl chloride，PVC)材料制成；导热单元11可以选择导热垫等具有良好的热传导率的导热材料，本发明实施例对此不做限制。
本发明实施例提供一种液冷散热装置。基于上述实施例的描述，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
在第二种可能的实现方式中，本发明实施例提供一种液冷散热装置，以待散热装置为计算机中的CPU为例，该液冷散热装置的侧视图如图13所示，该液冷散热装置包括：具有上述任一特征的柔性换热单元10，柔性换热单元10与CPU5接触，CPU5设置于衬底4之上，柔性换热单元10位于CPU5的上部。
其中，柔性换热单元10，用于存储换热液体，换热液体用于为CPU5散热。
进一步地，结合图13，如图14所示，该液冷散热装置还包括：
导热单元11，用于将CPU5散发的热量传导到柔性换热单元10。
具体的，导热单元11还能够降低柔性换热单元10和CPU5之间的接触热阻。
可选的，结合图14，如图15所示，该液冷散热装置还可以包括压紧件13，压紧件13用于保证柔性换热单元10和CPU5的接触。
压紧件13可以为塑料扣具，金属扣具或螺钉。
可选的，若液冷散热装置不包括压紧件13，则柔性换热单元10和CPU5之间可以通过具有粘性的导热单元11保证接触，或者使用黏胶等有粘连作用 的材料将柔性换热单元10、导热单元11和CPU5黏贴在一起，本发明实施例对此不做限制。
在具体的实现过程中，柔性换热单元10可以是水袋、软管等能够存储液体的柔性装置；支撑定位单元12可以选择易于导热的金属材料或者聚氯乙烯材料制成；导热单元11可以选择导热垫等具有良好的热传导率的导热材料，本发明实施例对此不做限制。
本发明实施例提供一种液冷散热装置。基于上述实施例的描述，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
本发明实施例还提供一种液冷散热系统，包括具有具有上述任一特征的液冷散热装置，以及至少一个待散热装置；其中，液冷散热装置用于通过液冷散热装置中的柔性换热单元内流通的换热液体，为待散热装置散热。基于上述实施例的描述，由于柔性换热单元和待散热装置接触，待散热装置在工作时散发的热量能够传递到柔性换热单元主体内存储的换热液体，同时换热液体在柔性换热单元主体内流动，带走待散热装置散发的热量，从而达到为待散热装置散热的目的。同时，柔性换热单元替代了传统液冷散热装置中的冷却管道，省去了现有技术中的焊接过程，降低了散热成本。
以上所述，仅为本发明实施例的具体实施方式，但本发明实施例的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明实施例的保护范围之内。因此，本发明实施例的保护范围应所述以权利要求的保护范围为准。

Claims (10)

  1. 一种柔性换热单元，其特征在于，所述柔性换热单元与待散热装置接触，所述柔性换热单元包括：柔性换热单元主体和设置于所述柔性换热单元主体上的增强筋；
    其中，所述柔性换热单元主体用于存储并传输换热液体，所述换热液体用于为所述待散热装置散热；
    所述增强筋用于增强所述柔性换热单元主体的强度。
  2. 根据权利要求1所述的柔性换热单元，其特征在于，所述增强筋包括分流承压加强筋和转弯隔断筋中的至少一个；
    其中，所述分流承压加强筋用于增强所述柔性换热单元主体内部的液压强度；
    所述转弯隔断筋用于减少所述柔性换热单元主体的转弯半径。
  3. 根据权利要求1所述的柔性换热单元，其特征在于，所述柔性换热单元还包括：设置于所述柔性换热单元主体内部的支撑体；
    其中，所述支撑体用于支撑所述柔性换热单元主体；所述支撑体的截面的形状为圆形、T形或者矩形。
  4. 根据权利要求1-3中任意一项所述的柔性换热单元，其特征在于，所述柔性换热单元主体包括：入液口、出液口和内部流道；
    其中，所述入液口用于输入所述换热液体；
    所述出液口用于输出所述换热液体；
    所述内部流道用于存储所述换热液体，并为所述换热液体提供流通通道。
  5. 一种液冷散热装置，其特征在于，包括：如权利要求1-4中任意一项所述的柔性换热单元，所述柔性换热单元与待散热装置接触，所述柔性换热单元根据所述待散热装置的排布形状排布；
    其中，所述柔性换热单元用于通过所述柔性换热单元内流通的换热液体，为所述待散热装置散热。
  6. 根据权利要求5所述的液冷散热装置，其特征在于，所述液冷散热装置还包括：与所述柔性换热单元和所述待散热装置均接触的导热单元；
    其中，所述导热单元，用于将所述待散热装置散发的热量传导到所述柔性换热单元。
  7. 根据权利要求5或6所述的液冷散热装置，其特征在于，所述液冷散热装置还包括：
    设置在所述柔性换热单元和所述导热单元之间的，与所述柔性换热单元和所述导热单元均接触的至少一个支撑定位单元；
    其中，所述支撑定位单元，用于固定所述柔性换热单元。
  8. 根据权利要求5或6所述的液冷散热装置，其特征在于，所述液冷散热装置还包括：
    与所述柔性换热单元接触的至少一个支撑定位单元，所述支撑定位单元和所述导热单元分别位于所述柔性换热单元的两侧；
    其中，所述支撑定位单元，用于固定所述柔性换热单元。
  9. 根据权利要求7或8所述的液冷散热装置，其特征在于，当所述液冷散热装置包括多个所述支撑定位单元时，两个相邻的所述支撑定位单元之间通过固定装置连接。
  10. 一种液冷散热系统，其特征在于，包括：如权利要求5-9中任意一项所述的液冷散热装置，以及至少一个待散热装置；
    其中，所述液冷散热装置用于通过所述液冷散热装置中的柔性换热单元内流通的换热液体，为所述待散热装置散热。
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