Closed expansion tank for liquid cooling temperature control system

Abstract

The utility model relates to the technical field of liquid cooling systems, in particular to a closed expansion water tank for a liquid cooling temperature control system. The closed expansion water tank can be connected in the liquid cooling temperature control system in series, and when the system is in positive pressure operation, the closed expansion water tank is used for adjusting the expansion amount of cooling liquid in the liquid cooling temperature control system and can quickly exhaust air in the system, so that the reliability of the system is guaranteed, the after-sale problems of equipment are reduced, the after-sale cost is reduced, and the practicability is improved; the closed expansion water tank comprises a water tank body, a full-automatic exhaust valve, a guide pipe, a water inlet, a water outlet, a stainless steel wire net and a water baffle, the full-automatic exhaust valve is connected to the upper portion of the guide pipe through threads, the uppermost edge of the water inlet needs to be lower than the lowermost edge of the guide pipe, and the water outlet needs to be formed in the bottom of the water tank body. And the water baffle is arranged between the water inlet and the water outlet, so that after return water with air enters the water tank body, gas-liquid separation can be quickly realized, and gas is discharged out of the liquid cooling temperature control system through the full-automatic exhaust valve connected with the guide pipe and cannot be brought into the water outlet to enter system circulation so as not to influence operation of the system.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid cooling system technical field, concretely is a closed expansion water tank for liquid cooling temperature control system. BACKGROUND

[0002] At present, liquid cooling temperature control system has been widely used in data center, energy storage project, based on the pure closed positive pressure water system mode, this is conducive to monitoring whether the water system exists cooling liquid leakage situation, but in actual operation process, the water tank in liquid cooling temperature control system because of exhaust not enough brings temperature control equipment failure problem increasingly highlights, exhaust not enough leads to liquid cooling temperature control unit in subsequent operation process frequently sends liquid shortage alarm, thereby brings a large number of product after-sales problem, and after-sales personnel need high frequency to carry out liquid supplement operation on site. Therefore, an automatic exhaust function water tank is needed to be applied in liquid cooling temperature control system. SUMMARY

[0003] The problem to be solved is to provide a water tank with automatic exhaust function applied in liquid cooling temperature control system to reduce liquid shortage alarm caused by exhaust not enough.

[0004] To achieve the above object, the utility model provides the following technical scheme: a closed expansion water tank for liquid cooling temperature control system, including water tank body, its characterized in that: water tank body top is equipped with full-automatic exhaust valve, and water tank body bottom is equipped with water outlet, and full-automatic exhaust valve is vertically spaced apart with water outlet;Full-automatic exhaust valve is connected with the water tank body with the guide pipe, and the water tank body side wall is equipped with the water inlet, and the bottom end of guide pipe is higher than the top of water inlet and is equipped with stainless steel wire mesh between the bottom end of guide pipe and the top of water inlet;Water inlet and water outlet are vertically spaced apart and are provided with the water baffle between the two.

[0005] Preferably, the water baffle lower part is provided with a certain penetration area channel.

[0006] Preferably, the water tank body shape can be square or circular.

[0007] Preferably, the stainless steel wire mesh is attached to the bottom end of the guide pipe.

[0008] Compared with the prior art, the utility model provides a closed expansion water tank for liquid cooling temperature control system, which has the following beneficial effects: by integrating the expansion amount design and the system exhaust design, the air in the liquid cooling temperature control system can be quickly exhausted under the premise of ensuring the system design expansion amount, so that the equipment will not appear liquid shortage alarm in the subsequent operation process due to air exhaust in the pipeline, thereby reducing the after-sales cost and improving the reliability of the entire liquid cooling temperature control system. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structure diagram of the utility model water tank;

[0010] Explanation of reference signs: 1, water tank body; 2, full-automatic exhaust valve; 3, conduit; 4, water inlet; 5, water outlet; 6, stainless steel wire mesh; 7, water baffle. DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model:

[0012] As shown in the drawing, the closed expansion water tank for liquid cooling system, hereinafter referred to as water tank, can be connected in series in the liquid cooling temperature control system, when the liquid cooling temperature control system is in positive pressure operation, the water tank is used for adjusting the expansion amount of the cooling liquid in the liquid cooling temperature control system, and the air in the liquid cooling temperature control system can be quickly exhausted, so as to maintain the system reliability, reduce the after-sales problem, reduce the after-sales cost, and improve the practicability.

[0013] Figure 1 As shown in the drawing, the water tank structure schematic view includes water tank body 1, full-automatic exhaust valve 2, conduit 3, water inlet 4, water outlet 5; full-automatic exhaust valve 2 is connected in the upper part of conduit 3 through thread, Figure 1 The H on the upper part represents the length of conduit 3, which is used for characterizing the volume of the upper air, and can be designed according to the expansion amount demand of the cooling liquid of the liquid cooling temperature control system, so as to ensure the expansion amount design requirement of the liquid cooling temperature control system; the uppermost position of water inlet 4 needs to be lower than the lowermost end of conduit 3, and the vertical distance between the uppermost end of water inlet 4 and the lowermost end of conduit 3 is L, that is, L needs to meet L>0 when designing, so as to ensure that the cooling liquid flowing in through water inlet 4 is below the liquid level in the water tank, avoiding the generation of air bubbles; the position of water outlet 5 needs to be set at the bottom of water tank body 1, and a water baffle 7 is arranged between water inlet 4 and water outlet 5, so that after the backwater with air enters into water tank body 1, the gas-liquid separation can be quickly realized; the lower part of water baffle 7 is provided with a channel with a certain penetration area, further ensuring that the system can quickly and effectively realize gas-liquid separation. A certain horizontal spacing needs to be ensured between water inlet 4 and water outlet 5, so that after the air in the liquid cooling temperature control system enters into water tank body 1, the gas-liquid separation can be quickly realized, wherein the gas is discharged from the liquid cooling temperature control system through full-automatic exhaust valve 2 connected by conduit 3, ensuring that the gas will not be brought into water outlet 5 and then into the system circulation again; the liquid is backflowed into the liquid cooling temperature control system through water outlet 5.

[0014] The structure of the water tank body 1 is not limited to the drawing, and can be square, circular or other special-shaped structure; the connection form of the water inlet 4 and the water outlet 5 is not limited to the drawing, and can be chuck, flange, screw or other connection form; the length H of the conduit 3 represents a design parameter of the expansion amount of the liquid cooling temperature control system, and the volume of the upper capacity of the closed expansion tank can be calculated based on H and the cross-sectional area of the closed expansion tank, so that the expansion amount of the liquid cooling temperature control system is met; the lower part of the conduit 3 is provided with a stainless steel mesh 6, and the stainless steel mesh 6 is located above the water inlet 4 and is used for separating gas-liquid mixture returning to the water tank from the water inlet 4; when the gas passes through the stainless steel mesh 6, the water vapor condenses on the stainless steel mesh 6 and then drops down, and the gas is quickly discharged from the mesh hole of the stainless steel mesh 6, so that the air in the liquid cooling temperature control system is completely discharged, and the air bubbles are effectively prevented from being sucked into the water outlet 5 and then entering the liquid cooling temperature control system again.

[0015] In use, the closed expansion tank is connected in series in the liquid cooling temperature control system, and is connected into the system pipeline through the water inlet 4 and the water outlet 5; when the system liquid injection meets the operation condition and starts to operate, the air in the liquid cooling temperature control system can be driven into the closed expansion tank, and the air is discharged from the liquid cooling temperature control system through the full-automatic exhaust valve 2 connected by the conduit 3, so that the system reliability is maintained, the after-sales problem is reduced, the after-sales cost is reduced, and the practicability is improved.

[0016] The above embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A closed expansion tank for a liquid cooling temperature control system comprising a tank body (1), characterised in that: The water tank body (1) is provided with a full-automatic exhaust valve (2) at the top, and a water outlet (5) at the bottom, the full-automatic exhaust valve (2) and the water outlet (5) are longitudinally spaced; the full-automatic exhaust valve (2) is connected with a conduit (3) into the water tank body (1), the water tank body (1) is provided with a water inlet (4) on the side wall, the bottom end of the conduit (3) is higher than the top of the water inlet (4), and a stainless steel wire mesh (6) is arranged between the bottom end of the conduit (3) and the top of the water inlet (4); the water inlet (4) and the water outlet (5) are longitudinally spaced, and a water baffle (7) is arranged therebetween.

2. The closed expansion tank for a liquid cooling temperature control system of claim 1, wherein: The water baffle (7) is provided with a channel with a certain penetration area at the lower part.

3. The closed expansion tank for a liquid cooling temperature control system of claim 2, wherein: The water tank body (1) is square or circular in shape.

4. The closed expansion tank for liquid cooling temperature control systems of claim 3, wherein: The stainless steel wire mesh (6) is attached to the bottom end of the conduit (3).

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