CN215217298U - Heat exchange device and router - Google Patents
Heat exchange device and router Download PDFInfo
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- CN215217298U CN215217298U CN202121395300.6U CN202121395300U CN215217298U CN 215217298 U CN215217298 U CN 215217298U CN 202121395300 U CN202121395300 U CN 202121395300U CN 215217298 U CN215217298 U CN 215217298U
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- heat exchange
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- exchange device
- return pipe
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- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000001704 evaporation Methods 0.000 claims abstract description 53
- 230000008020 evaporation Effects 0.000 claims abstract description 48
- 238000009833 condensation Methods 0.000 claims abstract description 45
- 230000005494 condensation Effects 0.000 claims abstract description 44
- 239000000110 cooling liquid Substances 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 description 13
- 238000013461 design Methods 0.000 description 11
- 238000009835 boiling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat transfer device and router relates to heat transfer technical field for the heat dissipation of cluster router. The embodiment of the utility model provides a heat exchange device, which comprises a condensation end, an evaporation end positioned below the condensation end, a liquid supply pipe and an air return pipe; the evaporation end is attached to the radiating fin and used for storing cooling liquid and absorbing heat in the radiating fin through the cooling liquid; the condensing end is used for receiving gas through the gas return pipe, condensing the received gas into cooling liquid and conveying the cooling liquid to the evaporation end through the liquid supply pipe; wherein the gas is generated by the heat of the cooling liquid absorbing radiating fins in the evaporation end. The utility model is used for reduce the heat transfer consumption.
Description
Technical Field
The utility model relates to a heat transfer technical field especially relates to a heat transfer device and router.
Background
With the network construction of the fifth Generation Mobile Communication Technology (5th Generation Mobile Communication Technology, 5G), the power consumption of the cluster router applied to large centralized nodes (such as national trunk large-traffic nodes, provincial trunk cores and developed city metropolitan area network outlets) is increasing, which results in an increasing pressure on heat dissipation of the cluster router.
However, most cluster routers currently dissipate heat in a conventional air cooling mode, and are cooled by fans. On one hand, the fan is adopted for cooling, more electric energy is additionally consumed, and the working environment of the cluster router at the normal temperature can be ensured. On the other hand, when the fan works, the blades of the fan can generate noise due to the power action of uneven airflow at the air outlet of the fan which is periodically born; as fan power increases, noise also increases.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a heat transfer device for solve the heat dissipation problem of above-mentioned cluster router.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
in a first aspect, an embodiment of the present invention provides a heat exchange device, which includes a condensation end, an evaporation end located below the condensation end, a liquid supply pipe, and a gas return pipe; the evaporation end is attached to the radiating fin and used for storing cooling liquid and absorbing heat in the radiating fin through the cooling liquid; the condensing end is used for receiving gas through the gas return pipe, condensing the received gas into cooling liquid and conveying the cooling liquid to the evaporation end through the liquid supply pipe; wherein the gas is generated by the heat of the cooling liquid absorbing radiating fins in the evaporation end.
In a second aspect, the embodiment of the present invention further provides a router, which includes a heat sink and the heat exchanging device provided by the first aspect.
In the heat exchange device provided by the embodiment of the utility model, the evaporating end is stored with the cooling liquid and is attached to the radiating fins, so that the cooling liquid in the evaporating end can absorb the heat on the radiating fins in time; the liquid phase of the cooling liquid after absorbing heat is changed into gas, and the gas in the evaporation end naturally rises to the condensation end through the air return pipe because the evaporation end is positioned below the condensation end; gaseous state coolant liquid can be condensed into liquid coolant liquid again in the condensation end, and liquid coolant liquid can follow the feed pipe through the action of gravity of self and flow into the evaporation end, realizes the circulation heat transfer from this, has not only reduced the heat transfer consumption, simultaneously, has still avoided the high noise that the fan brought.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a router according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a heat exchange device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an evaporation end according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram ii of a heat exchange device according to an embodiment of the present invention.
Reference numerals:
10-a router; 11-a heat sink; 12-heat exchange means; 121-condensation end; 122-evaporation end; 123-a supply tube; 124-muffler; 125-a heat exchange unit; 126-water supply pipe; 127-return pipe.
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.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, an embodiment of the present invention provides a router 10, which includes a heat sink 11 and a heat exchanging device 12. Wherein, the router 10 generates heat due to work and transfers the heat to the heat sink 11; the heat exchanging device 12 is used for absorbing heat on the heat radiating fins 11 through the cooling liquid.
As a possible implementation manner, the evaporation end of the heat exchange device 12 stores the cooling liquid therein, and the heat exchange device 12 can attach the evaporation end to the heat sink 11 to absorb the heat on the heat sink 11 through the cooling liquid in the evaporation end.
Further, the condensing end in the heat exchanging device 12 can also receive the gas generated by the phase change of the cooling liquid due to the absorbed heat, and condense the received gas into the cooling liquid, so as to realize the circulating cooling of the cooling liquid.
As shown in fig. 2, the heat exchanging device 12 according to the embodiment of the present invention includes a condensation end 121, an evaporation end 122 located below the condensation end 121, a liquid supply pipe 123 and a gas return pipe 124; wherein:
the evaporation end 122 is attached to the heat sink 11, and the evaporation end 122 is used for storing the cooling liquid and absorbing heat in the heat sink 11 through the cooling liquid.
Note that the cooling fluid may be stored in the condensation end 121 or the evaporation end 122 by the maintenance personnel in advance.
As a possible implementation, the evaporation end 122 closely adheres to the surface of the heat sink 11. The evaporation end 122 absorbs heat from the surface of the heat sink 11 through the internally stored coolant.
The condensing end 121 is used for receiving gas through the gas return pipe 124, condensing the received gas into a cooling liquid, and delivering the cooling liquid to the evaporating end 122 through the liquid supply pipe 123.
Wherein the liquid coolant in the liquid state in the evaporation end 122 absorbs the heat generated by the heat sink 11.
It should be noted that after the cooling fluid in the evaporation end 122 absorbs heat, the cooling fluid in liquid state can be evaporated into gas.
As a possible implementation manner, the condensation end 121 is located above the evaporation end 122, an air return pipe 124 is connected between the condensation end 121 and the evaporation end 122, and a liquid supply pipe 123 is further connected between the condensation end 121 and the evaporation end 122.
After the coolant in the evaporation end 122 absorbs heat and is gasified, the gasified gas naturally rises to the condensation end 121 along the air return pipe 124 because the density of the gas is lower than that of the air.
The condensing end 121 may condense the received gas. The condensed gas releases heat and then changes phase into liquid cooling liquid. Under its own weight, the liquid coolant can flow along the liquid supply pipe 123 into the evaporation end 122 again.
It can be understood that, in the heat exchanging device 12 provided in the embodiment of the present invention, because the evaporation end 122 stores the coolant, and the evaporation end 122 is attached to the heat sink 11, the coolant in the evaporation end 122 can absorb the heat on the heat sink 11 in time; the liquid phase of the cooling liquid after absorbing heat is changed into gas, and the gas in the evaporation end 122 naturally rises to the condensation end 121 through the gas return pipe 124 because the evaporation end 122 is positioned below the condensation end 121; gaseous state coolant liquid can be condensed into liquid again in condensation end 121, and liquid state coolant liquid can flow in evaporation end 122 along feed pipe 123 through the action of gravity, realizes the circulation heat transfer from this, has not only reduced the heat transfer consumption, simultaneously, compares in prior art, does not have the noise.
In one design, as shown in fig. 3, the heat exchanging device 12 provided by the embodiment of the present invention further includes a heat sink, and the heat sink is attached to the evaporation end 122 and the heat dissipation plate 11 respectively.
It should be noted that the heat sink is a material with high thermal conductivity, and the embodiment of the present invention is not limited to the specific material of the heat sink.
As a possible implementation manner, the heat sink is disposed between the heat dissipation plate 11 and the evaporation end 122, and respectively attached to the evaporation end 122 and the heat dissipation plate 11. Wherein, the side close to the evaporation end 122 is attached to the evaporation end 122, and the side close to the heat sink 11 is attached to the heat sink 11.
Illustratively, FIG. 3 shows a side view of an evaporator end in engagement with a heat sink. In practical application process, the relative position of evaporating end and fin can set up according to actual scene, the embodiment of the utility model provides a do not do the restriction to this.
For example, in practical applications, the heat dissipation plate 11 is usually configured as a serrated fin, and in order to closely fit the heat dissipation plate 11, the heat sink structure near the side of the heat dissipation plate 11 is also configured as a serrated fin, and the heat dissipation plate 11 is fit with the heat sink in a staggered manner.
It will be appreciated that since the heat sink has high thermal conductivity, the heat sink can serve as a good heat dissipation medium by attaching the heat sink to the evaporation end 122 and the heat dissipation plate 11 respectively. Meanwhile, by adopting the above means, in the design generation process of the heat exchange device 12, different evaporation ends 122 need not to be designed and produced for different heat dissipation fins 11, and the heat dissipation of the heat dissipation fins 11 with different shapes can be satisfied only by adjusting the heat sink in the heat exchange device 12, so that compared with the prior art, the mass production of the heat exchange device 12 can be supported.
In one design, as shown in fig. 3, in the heat exchange device 12 provided in the embodiment of the present invention, a thermal silicone grease is filled between the heat sink and the heat dissipation plate 11.
It can be understood that the thermal silicone grease is filled between the heat sink and the heat dissipation sheet 11, so that an air gap between the heat sink and the heat dissipation sheet 11 can be avoided, the heat sink and the heat dissipation sheet 11 can be in full contact, and the heat exchange efficiency of the heat exchange device 12 can be improved.
In one design, as shown in fig. 4, in order to ensure that the gas can smoothly enter the condensation end 121, in the heat exchange device 12 provided by the embodiment of the present invention, the air return pipe 124 passes through the bottom of the condensation end 121, and the height of the top end of the air return pipe 124 in the condensation end 121 is greater than the height of the top end of the liquid supply pipe 123 in the condensation end 121.
It can be understood that, since the height of the top end of the air return pipe 124 in the condensation end 121 is greater than the height of the top end of the liquid supply pipe 123 in the condensation end 121, the cooling liquid in the condensation end 121 preferentially transfers the cooling liquid to the evaporation end 122 through the liquid supply pipe 123, so that the air return pipe 124 is not occupied, and the gas in the evaporation end 122 can smoothly enter the condensation end 121.
In one design, as shown in fig. 4, in order to improve the condensation efficiency, the heat exchange device 12 of the embodiment of the present invention further includes a heat exchange unit 125; the condensing end 121 is located in the heat exchange unit 125.
The heat exchange unit 125 is used for absorbing heat of the condensation end 121.
It can be understood that, by placing the condensation end 121 in the heat exchange unit 125, the heat released by the cooling liquid in the condensation end 121, which is converted into the liquid state by the gas, can be absorbed by the heat exchange unit 125. Therefore, the condensing end 121 can be kept in a constant temperature state, so that the gas subsequently received by the condensing end 121 can be converted into liquid cooling liquid, and the condensing efficiency of the condensing end 121 in the heat exchange device 12 can be ensured.
In one design, as shown in fig. 4, a circulating fluid is stored in the heat exchange unit 125 according to an embodiment of the present invention.
And the heat exchange unit 125 is specifically used for absorbing heat of the condensation end 121 through the circulating liquid.
As a possible implementation manner, the heat exchange unit 125 stores the circulating liquid inside, and the condensation end 121 can be completely immersed in the circulating liquid.
Illustratively, the circulating liquid may be water.
It can be understood that, by immersing the condensation end 121 in the circulating liquid of the heat exchange unit 125, the circulating liquid can continuously absorb the heat of the condensation end 121, thereby improving the condensation effect of the condensation end 121.
In one design, as shown in fig. 4, the heat exchanger 12 of the embodiment of the present invention further includes a water supply pipe 126 and a water return pipe 127; the water supply pipe 126 and the water return pipe 127 are connected to the heat exchange unit 125.
The water supply pipe 126 is used to supply the circulating liquid to the heat exchange unit 125.
The return pipe 127 is used to discharge the circulating liquid in the heat exchange unit 125.
Alternatively, the water supply pipe 126 is connected to the heat exchange unit 125 at a position higher than the position where the water return pipe 127 is connected to the heat exchange unit 125.
It can be understood that the embodiment of the present invention provides a liquid circulation in the heat exchanging unit 125 by providing the water supply pipe 126 and the water return pipe 127, so as to ensure that the temperature of the circulating liquid in the heat exchanging unit 125 does not continuously rise, and the heat absorption effect of the heat exchanging unit 125 can be ensured.
In one design, as shown in fig. 4, the heat exchange device 12 of the embodiment of the present invention further includes solenoid valves (solenoid valve 1, solenoid valve 2, solenoid valve 3, solenoid valve 4); among them, the solenoid valve 1 is provided on the liquid supply pipe 123, the solenoid valve 2 is provided on the air return pipe 124, the solenoid valve 3 is provided on the water supply pipe 126, and the solenoid valve 4 is provided on the water return pipe 127.
In one design, as shown in fig. 4, the heat exchange device 12 of the embodiment of the present invention further includes a control unit; the control unit is respectively connected with the electromagnetic valve 1, the electromagnetic valve 2, the electromagnetic valve 3 and the electromagnetic valve 4.
And the control unit is used for adjusting the opening of the electromagnetic valve.
As a possible implementation manner, the control unit may control and adjust the liquid supply speed by adjusting the opening degree of the electromagnetic valve 1 located on the liquid supply pipe 123.
As another possible implementation, the control unit may control the collection speed of the gas by adjusting the opening degree of the solenoid valve 2 located on the return air pipe 124.
As a further possible realization, the control unit can control the feeding rate of the circulating liquid by adjusting the opening degree of the solenoid valve 3 located on the water supply pipe 126.
As still another possible implementation, the control unit may control the discharge speed of the circulating liquid by adjusting the opening degree of the electromagnetic valve 4 located on the return pipe 127.
It is understood that the control unit may control the supply of the cooling liquid and the circulating liquid by controlling the solenoid valve.
In one design, as shown in fig. 4, the heat exchange device 12 of the embodiment of the present invention further includes a temperature sensor; the temperature sensor is located on the heat sink 11 and is connected to the control unit.
A temperature sensor for sending the temperature of the heat sink 11 to the control unit.
Specifically, the temperature sensor may collect temperature information of the heat sink 11 and send the collected temperature information to the control unit.
And the control unit is specifically used for adjusting the opening of the electromagnetic valve according to the received temperature of the radiating fin 11.
As a possible implementation manner, when the temperature of the heat sink 11 received by the control unit is greater than the preset threshold, the control unit may increase the opening of the electromagnetic valve, so as to increase the liquid supply speed of the cooling liquid, increase the air return speed, increase the circulation speed of the circulating liquid, and ensure that the service board can be cooled quickly. When the temperature of the service board is reduced to be lower than a preset threshold value, the opening of the electromagnetic valve can be reduced by the heat exchanger, so that the liquid supply speed of the cooling liquid is reduced, the air return speed of the cooling liquid is reduced, the circulating speed of the circulating liquid is reduced, and the loss of the cooling liquid is reduced.
It should be noted that the preset threshold may be preset in the control unit by the operation and maintenance personnel.
It can be understood that, in the heat exchanger 12 provided in the embodiment of the present invention, the temperature sensor is disposed on the heat sink 11, so as to obtain the temperature of the heat sink 11 in time, and the control unit adjusts the liquid supply speed according to the temperature of the heat sink 11; if the temperature of the heat sink 11 is too high, the control unit can increase the opening of the electromagnetic valve, so that the liquid supply speed of the cooling liquid is increased, the air return speed is increased, the circulation speed of the circulating liquid is increased, and the service board can be rapidly cooled. When the temperature of the service board is reduced to be lower than the normal temperature, the opening of the electromagnetic valve can be reduced by the heat exchanger, so that the liquid supply speed of the cooling liquid is reduced, the air return speed of the cooling liquid is reduced, the circulating speed of the circulating liquid is reduced, and the loss of the cooling liquid is reduced.
In a design, in order to improve the heat transfer effect, the embodiment of the utility model provides a coolant liquid can be deionized water, still can be for the liquid that has cooling function such as silicone grease.
It should be noted that deionized water has insulating and low boiling point properties. The boiling point is usually 30-60 ℃, and the phase change is easy to evaporate when heated.
It can be understood that the boiling point of a common cooling liquid is usually about 100 ℃, which causes the problems of too long heat exchange time and undesirable cooling effect. And the embodiment of the utility model provides an adopt the suitable deionized water of boiling point as the coolant liquid, because its boiling point temperature is moderate, and the normal temperature of laminating fin 11 more. Therefore, when the temperature of the heat sink 11 exceeds the normal temperature, the heat of the heat sink 11 can be absorbed in time, so that the heat sink 11 is rapidly cooled to the normal temperature, thereby further improving the cooling effect.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A heat exchange device is characterized by comprising a condensation end, an evaporation end positioned below the condensation end, a liquid supply pipe and an air return pipe;
the evaporation end is attached to the radiating fin and used for storing cooling liquid and absorbing heat in the radiating fin through the cooling liquid;
the condensation end is used for receiving gas through the gas return pipe, condensing the received gas into the cooling liquid and conveying the cooling liquid to the evaporation end through the liquid supply pipe; wherein the gas is generated by the cooling liquid in the evaporation end absorbing the heat of the radiating fin.
2. The heat exchange device of claim 1, further comprising a heat sink, wherein the heat sink is attached to the evaporation end and the heat dissipation fins respectively.
3. The heat exchange device of claim 2, wherein the heat sink and the heat sink are filled with thermal silicone grease.
4. The heat exchange device of claim 1, wherein the air return pipe passes through the bottom of the condensation end, and the height of the top end of the air return pipe in the condensation end is greater than the height of the top end of the liquid supply pipe in the condensation end.
5. The heat exchange device of claim 1, further comprising a heat exchange unit; the condensation end is positioned in the heat exchange unit;
the heat exchange unit is used for absorbing the heat of the condensation end.
6. The heat exchange device of claim 5, wherein the heat exchange unit has a circulating liquid stored therein;
the heat exchange unit is specifically used for absorbing heat of the condensation end through the circulating liquid.
7. The heat exchange device of claim 6, further comprising a water supply pipe and a water return pipe; the water supply pipe and the water return pipe are both connected with the heat exchange unit;
the water supply pipe is used for supplying the circulating liquid to the heat exchange unit;
and the water return pipe is used for discharging the circulating liquid in the heat exchange unit.
8. The heat exchange device of claim 7, further comprising a solenoid valve; the electromagnetic valves are respectively arranged on the liquid supply pipe, the air return pipe, the water supply pipe and the water return pipe.
9. The heat exchange device of claim 8, further comprising a control unit; the control unit is connected with the electromagnetic valve;
and the control unit is used for adjusting the opening of the electromagnetic valve.
10. The heat exchange device of claim 9, further comprising a temperature sensor; the temperature sensor is positioned on the radiating fin and connected with the control unit;
the temperature sensor is used for sending the temperature of the cooling fin to the control unit;
the control unit is specifically configured to adjust the opening of the electromagnetic valve according to the received temperature of the heat sink.
11. A router comprising a heat sink and a heat exchange device as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121395300.6U CN215217298U (en) | 2021-06-22 | 2021-06-22 | Heat exchange device and router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121395300.6U CN215217298U (en) | 2021-06-22 | 2021-06-22 | Heat exchange device and router |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215217298U true CN215217298U (en) | 2021-12-17 |
Family
ID=79434270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121395300.6U Active CN215217298U (en) | 2021-06-22 | 2021-06-22 | Heat exchange device and router |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215217298U (en) |
-
2021
- 2021-06-22 CN CN202121395300.6U patent/CN215217298U/en active Active
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