CN112947630B

CN112947630B - Temperature control system

Info

Publication number: CN112947630B
Application number: CN202110295098.8A
Authority: CN
Inventors: 谷风宝
Original assignee: Shandong Yingxin Computer Technology Co Ltd
Current assignee: Shandong Yingxin Computer Technology Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2022-06-10
Anticipated expiration: 2041-03-19
Also published as: CN112947630A

Abstract

The application discloses temperature control system, including the liquid reserve tank and the feed liquor pipe that supplies the liquid to the liquid reserve tank, the liquid reserve tank has the liquid reserve tank liquid outlet, and the inside of liquid reserve tank is equipped with the baffle, is equipped with a plurality of baffle through-hole on the baffle, and the baffle is located between the liquid outlet of feed liquor pipe and the liquid reserve tank liquid outlet. The application provides a temperature control system improves the homogeneity of flow distribution through the baffle, improves heat exchange efficiency.

Description

Temperature control system

Technical Field

The application relates to the technical field of server heat dissipation, in particular to a temperature control system.

Background

Excessive temperatures of components in the server are one of the most commonly encountered causes of product failure. The traditional server is often provided with a plurality of groups of fan modules so as to accelerate heat convection to carry out heat exchange on electronic components and reduce the temperature of the server. Because in the prior art, the heat dissipation efficiency can be improved by using fans with larger volume and higher power or increasing the number of the fans, however, when the number of the fans is increased or the power is increased, the fans occupy the setting space of the electronic components inside the server, and generate more noise, so that the heat dissipation requirement of the server is met by the enhanced heat dissipation technology.

At present, in order to replace air cooling, a part of servers adopt an immersed liquid cooling scheme, specifically, the servers generally adopt a cabinet type structure, a cabinet type box body is filled with cooling liquid, the cooling liquid is non-phase-change and insulating liquid, the cooling liquid is driven by a water pump to exchange heat with an external plate type heat exchanger, the other end of the plate type heat exchanger is provided with an outdoor cooling tower or a water chilling unit to provide cooling capacity, and finally, the step-by-step heat transfer is realized and the cooling capacity is discharged to the outdoor.

The inventor finds in practice that: in the immersion type liquid cooling scheme, a flow field with an upper diagonal angle and a lower diagonal angle is adopted for cooling liquid in the box body, for example, the specific flow mode of the cooling liquid in the box body is from the lower left corner to the upper right corner, so that the flow distribution of an inlet of a server node is uneven, and the problem of over-temperature of the local area of the server node is easy to occur.

In summary, how to improve the uniformity of the flow distribution of the cooling liquid inside the box body, so as to avoid the over-temperature of the server node, is a problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, an object of the present application is to provide a temperature control system, which improves uniformity of flow distribution and improves heat exchange efficiency through a partition plate.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a temperature control system, include the liquid reserve tank and to the feed liquor pipe that the liquid reserve tank supplied liquid, the liquid reserve tank has the liquid reserve tank liquid outlet, the inside of liquid reserve tank is equipped with the baffle, be equipped with a plurality of baffle through-hole on the baffle, the baffle is located the liquid outlet of feed liquor pipe with between the liquid reserve tank liquid outlet.

Optionally, still include the gasification case, the gasification case with be equipped with waterproof ventilative selectivity film between the liquid reserve tank, the gasification case has the gas outlet.

Optionally, the gasification tank is located at the top of the liquid storage tank.

Optionally, the partition plate comprises at least two sub-partition plates, and each sub-partition plate is detachably connected with the liquid storage tank.

Optionally, the partition plate includes a sub-partition plate disposed in the middle and a sub-partition plate disposed in the side, and the aperture ratio of the sub-partition plate in the middle is greater than the aperture ratio of the sub-partition plate in the side.

Optionally, the partition plate is horizontally arranged, the partition plate is located at the bottom end of the interior of the liquid storage tank, and a preset distance is formed between the partition plate and a bottom plate of the liquid storage tank; or the partition plate is positioned at the top end of the interior of the liquid storage box, and the partition plate and the top surface of the liquid storage box are separated by a preset distance.

Optionally, the inlet of the liquid inlet pipe is arranged on the side wall of the top of the box body and located above the partition plate, and the liquid outlet of the liquid inlet pipe is located below the partition plate.

Optionally, the device further comprises a partition plate driving part, wherein the partition plate driving part is connected with the partition plate and controls the partition plate to lift.

Optionally, the inside of liquid reserve tank is equipped with the curb plate, the curb plate with have the clearance between the lateral wall of liquid reserve tank, the curb plate is equipped with a plurality of curb plate through-hole.

Optionally, the device further comprises a side plate driving portion, wherein the side plate driving portion is connected with the side plate and controls the side plate to move horizontally.

Through above-mentioned scheme, the beneficial effect of the temperature control system that this application provided lies in:

the application provides a temperature control system includes liquid reserve tank and feed liquor pipe, and the inside of liquid reserve tank is equipped with the baffle of seting up a plurality of baffle through-hole, and the liquid reserve tank has the liquid reserve tank liquid outlet, and the feed liquor pipe supplies the liquid to the liquid reserve tank, and the liquid outlet of liquid reserve tank liquid outlet and feed liquor pipe distributes in the both sides of baffle.

In the working process, the cooling liquid enters the inside of the liquid storage box through the liquid inlet pipe inlet of the liquid inlet pipe, the liquid inlet pipe and the outlet of the liquid inlet pipe, then flows in the liquid storage box until being discharged from the liquid outlet of the liquid storage box, and the liquid internal circulation in the liquid storage box is realized through the processes. Simultaneously, at the in-process that carries out the liquid inner loop, because the baffle is located between the liquid outlet of liquid reserve tank liquid outlet and feed liquor pipe, the baffle can increase the disturbance of coolant liquid, makes the coolant liquid more be each baffle through-hole of the inflow baffle of dispersion, therefore the baffle can make the coolant liquid flow more even in the inside distribution of liquid reserve tank, improves heat exchange efficiency, avoids the inside electron device part of liquid reserve tank super temperature, guarantees the inside server node safe operation of liquid reserve tank, the life of extension server node.

Drawings

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

Fig. 1 is a schematic structural diagram of a temperature control system according to an embodiment of the present disclosure;

FIG. 2 is a side view of the interior of a temperature control system according to an embodiment of the present application;

fig. 3 is a top view of an interior of a temperature control system according to an embodiment of the present disclosure.

The reference numbers in the figures are: 1-liquid storage tank, 11-liquid storage tank liquid outlet, 2-liquid inlet pipe, 21-liquid inlet pipe inlet, 3-partition plate, 31-partition plate through hole, 32-sub-partition plate, 4-gasification tank, 41-gas outlet, 5-selective film, 6-side plate, 61-side plate through hole and 7-server node.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1 to fig. 3, the temperature control system provided in the present application is applied to an electronic product, and the electronic product may be embodied as a server cluster as an example for description. The temperature control system comprises a liquid storage tank 1, a liquid inlet pipe 2 and a partition plate 3.

Wherein, each components and parts of electronic product are deposited to liquid reserve tank 1 inside, if the electronic product is the server product, then the inside components and parts of depositing of liquid reserve tank 1 are server node 7, are filled with the coolant liquid in the liquid reserve tank 1, and server node 7 is immersed in the coolant liquid of liquid reserve tank 1 completely, and the coolant liquid can adopt the coolant liquid of non-phase transition, and the preferred coolant liquid that adopts can the phase transition improves heat exchange efficiency. The reservoir 1 has a reservoir outlet 11 for discharging the cooling liquid.

The liquid inlet pipe 2 supplies liquid to the liquid storage tank 1, and the liquid inlet pipe 2 is provided with a liquid inlet pipe inlet 21 and an outlet; the inlet 21 of the liquid inlet pipe 2 can be connected with a storage tank of cooling liquid through a liquid supply pipeline, and a water pump for driving the cooling liquid to flow can be arranged in the liquid supply pipeline; the outlet of the liquid inlet pipe 2 is connected with the inlet of the liquid storage tank 1 or is directly communicated to the inner space of the liquid storage tank 1.

Baffle 3 is located the inside of liquid reserve tank 1, and baffle 3 is located between the liquid outlet of feed liquor pipe 2 and liquid reserve tank liquid outlet 11, and one side of baffle 3 is towards the liquid outlet of feed liquor pipe 2 promptly, and the opposite side of baffle 3 is towards liquid reserve tank liquid outlet 11. Meanwhile, the partition plate 3 is provided with a plurality of partition plate through holes 31, and the partition plate through holes 31 can be uniformly distributed on the partition plate 3 or non-uniformly distributed; the apertures of the partition through holes 31 may be the same or different.

The temperature control system with the structure has the beneficial effects that: in the course of the work, the coolant liquid passes through feed liquor pipe 2 and gets into the inside of liquid reserve tank 1, then flows in liquid reserve tank 1 after from liquid reserve tank liquid outlet 11 discharges, because baffle 3 is located between the liquid outlet of liquid reserve tank liquid outlet 11 and feed liquor pipe 2, consequently baffle 3 can make the coolant liquid flow more even in 1 inside distribution of liquid reserve tank, improves heat exchange efficiency, avoids the local overtemperature of the inside electron device of liquid reserve tank 1.

Further, in one embodiment, in order to detect the temperature inside the liquid storage tank 1, especially the temperature of the position of the sensitive element of the board card, a plurality of temperature sensors may be arranged in the liquid storage tank 1, and each temperature sensor is electrically connected with the control system.

Optionally, the temperature control system may include a display, the temperature sensor sends the detected temperature information to the control system, and the control system sends a display instruction to the display, so that the display generates a temperature value corresponding to the temperature information.

Further, in an embodiment, the liquid inlet pipe 2 may be provided with an inlet adjusting valve, and the control system controls the opening of the inlet adjusting valve to adjust the flow of the cooling liquid entering the liquid storage tank 1, so as to adjust the heat exchange amount.

Further, in one embodiment, in order to exhaust the gas, the temperature control system further includes a gasification tank 4 and a selective membrane 5, in consideration of the fact that when the cooling liquid capable of phase change is used, after the cooling liquid cools the server node 7 inside the liquid storage tank 1, part of the cooling liquid can be changed into gas through phase change. Wherein the selective membrane 5 is located between the vaporization tank 4 and the liquid storage tank 1 and separates the vaporization tank 4 from the liquid storage tank 1. The selective film 5 is a waterproof breathable film, namely the selective film 5 only allows gas to pass through, and liquid cannot pass through, so that the separation of liquid and gas is realized, and the safety of a temperature control system is ensured. The gasification chamber 4 has an air outlet 41. Specifically, in the working process, the cooling liquid is gasified to absorb heat, so that the heat exchange efficiency of the temperature control system is increased, and the heat exchange efficiency is further improved under the condition of low flow.

Further, in one embodiment, the vaporization tank 4 is located at the top of the liquid storage tank 1. In particular, considering that the gas flows upwards from the bottom due to the low density, the gasification tank 4 and the selective membrane 5 can be arranged at the top of the liquid storage tank 1, and the gas can be discharged through the selective membrane 5.

Further, in one embodiment, a gas pump may be provided at the gas outlet 41 of the gasification chamber 4 to pump out the gas for the convenience of gas discharge.

Further, in an embodiment, an external condensing device may be connected to the air outlet 41 of the gasification tank 4, the gasified cooling liquid is condensed into a liquid state again by the external condensing device, and the condensed cooling liquid is introduced into the liquid storage tank 1 through a pipeline to form an external circulation flow, so as to reduce the loss of the cooling liquid.

Further, in an embodiment, the temperature control system further includes a film driving portion, the film driving portion is connected to the selective film 5 and controls the selective film 5 to ascend and descend, the pressure distribution of the vaporizing tank 4 and the liquid storage tank 1 is balanced by changing the position of the selective film 5, and the action of the film driving portion can be controlled by a control instruction of the control system or can be manually adjusted. The film driving part can adopt linear driving parts such as an air cylinder, a telescopic rod, a screw motor and the like.

Optionally, in other embodiments, for the case that the coolant can change phase, if the top of the liquid storage tank 1 is provided with an exhaust port, and the position of the exhaust port is higher than the liquid storage tank liquid outlet 11, the liquid level of the coolant in the liquid storage tank 1 can be lower than the exhaust port at the top of the liquid storage tank 1 by controlling the liquid inlet flow rate of the coolant, and the gas generated by the change of the coolant phase can be directly discharged from the exhaust port at the top of the liquid storage tank 1 to the outside, so that the gasification tank 4 and the selective membrane 5 can be omitted.

Further, in one embodiment, the partition 3 includes at least two sub-partitions 32, and each sub-partition 32 is detachably coupled to the tank 1. Specifically, the baffle 3 adopts a plurality of sub-baffles 32 to splice and form, and the quantity, the aperture of the baffle through-hole 31 that sets up on each sub-baffle 32 can be different, and the size of each sub-baffle 32 also can be different, and sub-baffle 32 can be taken out and changed, and the user can change partial sub-baffle 32 according to the load size like this, adjusts the flow distribution condition in the liquid reserve tank 1, adjusts the heat transfer effect in different regions in the liquid reserve tank 1.

Further, in one embodiment, the sub-partitions 32 are distributed in both the middle area and the side area of the tank 1, and the aperture ratio of the sub-partition 32 in the middle is greater than that of the sub-partitions 32 in the side. Specifically, the opening ratio refers to the ratio of the area of the partition through holes 31 to the total area of the sub-partitions 32, and is mainly affected by the aperture and the number of the partition through holes 31. Considering that the server nodes 7 in the middle area of the liquid storage tank 1 generate heat more seriously, the opening rate of the middle part of the partition plate 3 can be increased properly to avoid the overhigh temperature of the middle area of the server nodes 7.

Further, in one embodiment, the partition plate 3 is horizontally disposed, the partition plate 3 is located at the bottom end of the inside of the liquid storage tank 1, and the partition plate 3 is spaced from the bottom plate of the liquid storage tank 1 by a preset distance. It will be appreciated that in other embodiments the partition 3 may be arranged in other ways, for example, the partition 3 is arranged horizontally, the partition 3 is located at the top end of the interior of the tank 1, and the partition 3 is spaced from the top surface of the tank 1 by a predetermined distance.

Further, in one embodiment, the liquid inlet 21 of the liquid inlet pipe 2 is disposed on the side wall of the top of the box, the liquid inlet 21 is located above the partition board 3, and the liquid outlet of the liquid inlet pipe 2 is located below the partition board 3. During operation, during the coolant liquid flows into feed liquor pipe 2 from feed liquor pipe import 21 of feed liquor pipe 2 on 1 upper portion of liquid reserve tank, then flows to the export of feed liquor pipe 2 below baffle 3 along feed liquor pipe 2, then flows in the opposite direction after even through baffle 3, flows from upwards down promptly, finally discharges from liquid reserve tank liquid outlet 11 above baffle 3. By adopting the structure, the cooling liquid flows upwards from the bottom, so that the uniformity of the internal cooling liquid can be ensured, no local vortex exists, and the server node 7 is ensured to be heated uniformly.

Further, in one embodiment, the temperature control system further includes a partition driving part, which is connected to the partition 3 and controls the partition 3 to move up and down. Specifically, the baffle drive division can adopt linear drive parts such as cylinder, telescopic link, lead screw motor, it can control 3 rectilinear movement of baffle can, for the convenience of 3 removals of baffle, can also set up in the inside of liquid reserve tank 1 with 3 complex guide rails of baffle or guide post. In the lifting process of the partition plate 3, the distance between the partition plate 3 and the bottom plate of the liquid storage tank 1 is changed along with the change of the distance between the partition plate 3 and the bottom plate of the liquid storage tank 1, and the liquid outlet of the liquid inlet pipe 2 is positioned between the partition plate 3 and the bottom plate of the liquid storage tank 1, so that when the partition plate 3 moves downwards, the distance between the partition plate 3 and the bottom plate of the liquid storage tank 1 is reduced, the resistance of the liquid outlet of the liquid inlet pipe 2 is increased, and the flow of the liquid outlet of the liquid inlet pipe 2 is reduced; the baffle 3 moves upwards, so that the flow of the liquid outlet of the liquid inlet pipe 2 is increased. Through changing the position of baffle 3, change the feed liquor flow of liquid reserve tank 1, realize the adjustment of heat transfer volume, guarantee that the flow size that gets into server node 7 is suitable and the flow is even.

Further, in one embodiment, the interior of the tank 1 is provided with side plates 6. When actually arranging, curb plate 6 can distribute in the left and right sides of liquid reserve tank 1, and curb plate 6 is located between server node 7 and liquid reserve tank 1, promptly, 6 one sides of curb plate set up

server node

7, 6 opposite sides of curb plate orientation and liquid reserve tank 1's lateral wall, and have the clearance between the lateral wall of curb plate 6 and liquid reserve tank 1, and curb plate 6 is equipped with a plurality of curb plate through-hole 61, and the size of curb plate through-hole 61 can be different. In the course of the work, the discharged coolant liquid of the export of feed liquor pipe 2 will partly enter into the clearance between curb plate 6 and the box lateral wall, then enters into the space between curb plate 6 and the server node 7 through curb plate through-hole 61, and curb plate 6 can improve the disturbance, increases server node 7's convection and heat exchange efficiency to and further improve the homogeneity that the coolant liquid distributes.

Further, in one embodiment, the temperature control system further includes a side plate driving portion, which is connected to the side plate 6 and controls the side plate 6 to move horizontally, so as to adjust the distance between the side plate 6 and the server node 7. The side plate driving part can adopt a driving part, can adopt a linear driving part such as an air cylinder, an expansion rod, a screw motor and the like, and the action of the side plate driving part can be manually controlled and can also be controlled by a control command of a control system.

Further, in an embodiment, when the temperature value detected by the temperature sensor exceeds the preset temperature, the control system controls the display to generate a prompt message to prompt the user to increase the heat exchange amount, and the manner of adjusting the heat exchange amount may include any one or a combination of the following: coolant flow, position of the partition plate 3, aperture ratio in the partition plate 3, position of the side plate 6, aperture ratio in the side plate 6, structure of the selective membrane 5, and position of the selective membrane 5.

Further, in an embodiment, the temperature control system further includes a control cabinet, and a manual button is disposed on the control cabinet and electrically connected to the control system, so that a user can adjust the temperature control system manually to change the heat exchange amount.

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 temperature control system provided by the present application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims

1. A temperature control system is characterized by comprising a liquid storage tank (1) and a liquid inlet pipe (2) for supplying liquid to the liquid storage tank (1), wherein the liquid storage tank (1) is provided with a liquid storage tank liquid outlet (11), a partition plate (3) is arranged inside the liquid storage tank (1), a plurality of partition plate through holes (31) are formed in the partition plate (3), and the partition plate (3) is positioned between the liquid outlet of the liquid inlet pipe (2) and the liquid storage tank liquid outlet (11);

the liquid storage tank is characterized by further comprising a gasification tank (4), a waterproof and breathable selective film (5) is arranged between the gasification tank (4) and the liquid storage tank (1), and the gasification tank (4) is provided with an air outlet (41);

the gasification tank (4) is positioned at the top of the liquid storage tank (1);

a gas pump for pumping out the gas in the gasification box (4) is arranged at the gas outlet (41);

the gas outlet (41) is connected with an external condensing device so as to re-condense the gasified cooling liquid into a liquid state and introduce the liquid into the liquid storage tank (1) through a pipeline;

the device also comprises a membrane driving part which is connected with the selective membrane (5) and is used for controlling the change of the lifting position of the selective membrane to balance the pressure distribution between the gasification box (4) and the liquid storage box (1).

2. Temperature control system according to claim 1, characterized in that the partition (3) comprises at least two sub-partitions (32), each sub-partition (32) being detachably connected to the tank (1).

3. Temperature control system according to claim 2, characterized in that the partition (3) comprises a middle sub-partition (32) and a side sub-partition (32), the middle sub-partition (32) having a larger aperture ratio than the side sub-partitions (32).

4. The temperature control system according to any one of claims 1 to 3, wherein the partition (3) is horizontally disposed, the partition (3) is located at the bottom end of the interior of the tank (1), and the partition (3) is spaced from the bottom plate of the tank (1) by a predetermined distance; or, baffle (3) level sets up, baffle (3) are located the top of the inside of liquid reserve tank (1), just baffle (3) with the top surface interval preset distance of liquid reserve tank (1).

5. The temperature control system according to claim 4, wherein the liquid inlet (21) of the liquid inlet pipe (2) is disposed on a top side wall of the tank body of the liquid storage tank (1) and above the partition plate (3), and the liquid outlet of the liquid inlet pipe (2) is disposed below the partition plate (3).

6. The temperature control system according to claim 4, further comprising a partition driving part, wherein the partition driving part is connected with the partition (3) and controls the partition (3) to lift.

7. Temperature control system according to claim 4, characterized in that the interior of the reservoir (1) is provided with a side plate (6), a gap is provided between the side plate (6) and the side wall of the reservoir (1), and the side plate (6) is provided with a plurality of side plate through holes (61).

8. The temperature control system according to claim 7, further comprising a side plate driving part connected to the side plate (6) and controlling the side plate (6) to move horizontally.