CN111885898A - Liquid cold and heat exchange system - Google Patents

Abstract

The invention provides a liquid cooling and heating exchange system, which comprises an equipment cabinet system, a liquid cooling and heat exchange indoor unit, a liquid cooling and heat exchange outdoor unit and a pipeline, wherein the equipment cabinet system comprises a cabinet body, a cabinet body and a cabinet body; the hot air in the hot area and the liquid-cooling heat exchange indoor unit exchange heat to form heat, the heat is transferred to a working medium flowing in the liquid-cooling heat exchange indoor unit, the working medium circulates between the liquid-cooling heat exchange indoor unit and the liquid-cooling heat exchange outdoor unit through a pipeline, the liquid-cooling heat exchange outdoor unit dissipates the heat of the working medium to the external environment, the working medium returns to the liquid-cooling heat exchange indoor unit through the pipeline after being cooled, the liquid-cooling heat exchange indoor unit exchanges heat with the cold quantity of the working medium to form cold air, and the cold air is discharged to the. According to the liquid cooling heat exchange system, hot air from the hot area passes through the liquid cooling heat exchange system to form cold air which flows back to the cold area, so that an independent and closed circulating system is formed, the hot air from the hot area directly enters the liquid cooling heat exchange system to shorten a heat flow path to the maximum extent, and the problems of hot spot concentration and heat island effect are solved.

Description

A liquid cooling heat exchange system

technical field

The invention belongs to the field of communication equipment, and more particularly, relates to a liquid-cooled heat exchange system.

Background technique

With the development and progress of communication technology, the 5G market is advancing, and the network broadband market and business volume continue to grow. As the density increases, the existing base station network construction methods have shown some problems.

At present, in traditional communication base stations, communication equipment generally has two centralized placement and cooling and heat dissipation methods. The other is to centralize the air conditioner and communication equipment in a closed cabinet, and use the air conditioner in the closed cabinet to independently cool and dissipate the communication equipment; The way of air conditioning and refrigeration, the air flow organization of the air returned by the air conditioner is prone to cross wind and turbulent flow, and communication equipment is prone to hot spot concentration and heat island effect, resulting in the phenomenon of mixing hot and cold air and waste of heat leakage.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a liquid-cooled heat exchange system to solve the technical problems of hot spot concentration and heat island effect, mixing of hot and cold air and waste of heat leakage in communication equipment in the prior art.

In order to achieve the above object, the technical scheme adopted in the present invention is to provide a liquid-cooled heat exchange system, including an equipment cabinet system, a liquid-cooled heat-exchange indoor unit, a liquid-cooled heat-exchange outdoor unit and a pipeline;

The cabinet system is used to separate the equipment cabinet into a hot area and a cold area, the liquid-cooled heat exchange indoor unit is arranged in the hot area, the liquid-cooled heat exchange outdoor unit is arranged outside the equipment cabinet, and the liquid-cooled heat exchange indoor unit is arranged outside the equipment cabinet. The cold and heat exchange indoor unit is connected with the liquid-cooled heat exchange outdoor unit through the pipeline;

The liquid-cooled heat exchange indoor unit is used for exchanging the hot air in the hot zone to form heat, so as to transfer the heat to the working medium in the liquid-cooled heat exchange indoor unit through the pipeline, and the pipeline will The working medium in the liquid-cooled heat exchange indoor unit is transferred to the liquid-cooled heat exchange outdoor unit, and the liquid-cooled heat exchange outdoor unit is used to dissipate the heat of the working medium to the external environment to cool the working medium, and pass The pipeline transports the cooled working medium back to the liquid-cooled heat exchange indoor unit, and the liquid-cooled heat exchange indoor unit is used to heat-exchange the cold energy of the cooled working medium to form cold air, and to cool down the working medium. The cold air is exhausted to the cold area of the equipment cabinet.

Further, the cabinet system includes an equipment carrying rack, a first clapboard, a second clapboard and a first closing plate, and the equipment cabinet includes a front cabinet door, a rear cabinet door, a left cabinet door and a right cabinet door. The equipment carrying rack includes a first pillar, a second pillar, a third pillar and a fourth pillar;

The first pillar, the second pillar, the third pillar and the fourth pillar sequentially enclose the equipment carrying rack, the equipment carrying rack is installed in the equipment cabinet, and the equipment carrying rack is placed thereon. A plurality of BBU devices, the first closing plate is arranged between two adjacent BBU devices, and the first closing plate is coplanar with the right side of the BBU device;

The first partition is arranged between the right cabinet door and the first pillar, the second partition is arranged between the rear cabinet door and the second pillar, and the first partition is Coplanar with the front side of the BBU device, and the second baffle is coplanar with the right side of the BBU device;

The first partition, the second partition and the equipment carrying rack are used for dividing the equipment cabinet into a hot area and a cold area, wherein the first partition, the second partition, the first closing plate, The area enclosed by the BBU equipment, the equipment carrying rack, the right cabinet door and the rear cabinet door is the hot zone;

The hot air outlet of the BBU equipment communicates with the liquid-cooled heat exchange indoor unit.

Further, the cabinet system further includes a third partition plate and a second closing plate;

The third partition is arranged between the fourth pillar and the left cabinet door, the second closing plate is arranged between two adjacent BBU devices, the third partition and the second closing The boards are all coplanar with the front side of the BBU device;

The area enclosed by the first partition, the third partition, the second closing plate, the BBU equipment, the equipment carrying rack, and the front cabinet door is the front isolation area;

The left area of the BBU equipment is communicated with the rear area of the BBU equipment, and the second partition, the third partition, the BBU equipment, the equipment carrying rack, the left cabinet door and the rear cabinet door are enclosed. The area is a cold zone.

Further, the first partition, the second partition and the third partition are all provided with thermal insulation cotton, and the thermal insulation cotton is used to isolate the heat spaced between the cold zone and the hot zone.

Further, the liquid-cooled heat exchange indoor unit includes an indoor unit heat exchanger, the liquid-cooled heat exchange outdoor unit includes an outdoor unit heat exchanger, and the pipeline includes a first branch pipeline;

The indoor unit heat exchanger is connected to the hot air outlet of the BBU equipment, and the indoor unit heat exchanger is used for exchanging heat with the hot air in the hot zone, exchanging the hot air in the hot zone to form heat, and exchanging heat with the hot air in the hot zone. Heat is transferred to the working medium flowing in the liquid-cooled heat exchange indoor unit, and the working medium circulates in the first branch pipe;

The indoor unit heat exchanger is connected to one end of the first branch pipe, and the liquid-cooled heat exchange outdoor unit is connected to the other end of the first branch pipe, and the first branch pipe is used to transfer the liquid The working fluid flowing in the cold and heat exchange indoor unit is transported to the liquid-cooled heat exchange outdoor unit, and the outdoor unit heat exchanger is used to dissipate the heat of the working fluid flowing in the liquid-cooled heat exchange outdoor unit to the external environment , to cool the working fluid.

Further, the second partition is provided with a cold air outlet, and the pipeline further includes a second branch pipeline;

The indoor unit heat exchanger is connected to the cold air outlet, and the indoor unit heat exchanger blocks the cold air outlet;

The indoor unit heat exchanger is connected to one end of the second branch pipe, the liquid-cooled heat exchange outdoor unit is connected to the other end of the second branch pipe, and the second branch pipe is used to The working fluid is transported back to the liquid-cooled heat exchange indoor unit, and the indoor unit heat exchanger is also used to heat-exchange the cold energy in the cooled working fluid to form cold air, and discharge the cold air to the cooling air outlet through the cold air outlet. the cold area of the equipment cabinet.

Further, the liquid-cooled heat exchange indoor unit further includes an internal circulation fan;

The inner circulation fan is arranged on the indoor unit heat exchanger, and the inner circulation fan is arranged opposite to the position of the hot air outlet of the BBU equipment, and the inner circulation fan is used for heat exchange of the indoor unit. The cold air after the cooling of the working medium is exchanged and is led to the cold zone.

Further, the first branch pipeline and the second branch pipeline are made of copper alloy.

Further, the working medium is a mixed solution of ionized water and ethylene glycol.

The beneficial effect of the liquid-cooled heat exchange system provided by the present invention is that: compared with the prior art, the liquid-cooled heat exchange system of the present invention comprises an equipment cabinet system, a liquid-cooled heat exchange indoor unit, a liquid-cooled heat exchange outdoor unit and a pipeline; In the equipment cabinet, the hot air in the hot area of the equipment cabinet is exchanged with the liquid-cooled heat exchange indoor unit, and the hot air in the hot area is exchanged to form heat, and the heat is transferred to the working fluid flowing in the liquid-cooled heat exchange indoor unit. The working fluid circulates between the liquid-cooled heat exchange indoor unit and the liquid-cooled heat exchange outdoor unit through the pipeline, and the liquid-cooled heat exchange outdoor unit dissipates the heat of the working fluid to the external environment to cool the working fluid. Then return to the liquid-cooled heat exchange indoor unit through the pipeline, and the liquid-cooled heat exchange indoor unit exchanges heat with the cooling capacity of the cooled working medium to form cold air, and discharges the cold air to the cold area of the equipment cabinet. The liquid-cooled heat exchange system of the present invention makes the hot air from the hot zone pass through the cold and heat exchange system to form cold air back to the cold zone, forming an independent closed circulation system, and the hot air from the hot zone directly enters the liquid-cooled heat exchange system to minimize the heat flow. It solves the problem of hot spot concentration and heat island effect, and also avoids the phenomenon of mixing hot and cold air and the waste of heat leakage, and solves the problem of airflow management.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of the principle of a liquid-cooled heat exchange system provided by an embodiment of the present invention;

2 is a schematic diagram 1 of a liquid-cooled heat exchange system provided by an embodiment of the present invention;

3 is a second schematic diagram of a liquid-cooled heat exchange system provided by an embodiment of the present invention;

4 is a schematic diagram 1 of an equipment cabinet system and an equipment cabinet adopted in an embodiment of the present invention;

5 is a second schematic diagram of an equipment cabinet system and an equipment cabinet adopted in an embodiment of the present invention;

6 is a schematic diagram of the internal airflow organization of the equipment cabinet system adopted in the embodiment of the present invention;

FIG. 7 is an application schematic diagram of the liquid-cooled heat exchange system provided by the embodiment of the present invention.

Among them, each reference sign in the figure:

1. Equipment cabinet system; 11. Equipment carrying rack; 111, First pillar; 112, Second pillar; 113, Third pillar; 114, Fourth pillar; 12, First partition; 13, Second partition ; 131, cold air outlet; 14, first closing plate; 15, BBU equipment; 151, hot air outlet; 16, third partition plate; 17, second closing plate; 18, front isolation area;

2. Liquid-cooled heat exchange indoor unit; 21. Indoor unit heat exchanger; 22. Internal circulation fan; 3. Liquid-cooled heat exchange outdoor unit; 31. Outdoor unit heat exchanger; 4. Pipeline; 41. First branch pipe 42. The second branch pipeline;

5, equipment cabinet; 51, front cabinet door; 52, rear cabinet door; 53, left cabinet door; 54, right cabinet door; 55, hot zone; 56, cold zone.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 to FIG. 7 together, and now the liquid-cooled heat exchange system provided by the present invention will be described. The liquid-cooled heat exchange system includes an equipment cabinet system 1, a liquid-cooled heat exchange indoor unit 2, a liquid-cooled heat exchange outdoor unit 3, and a pipeline 4; the cabinet system is used to separate the equipment cabinet 5 into a hot zone 55 and a Cold zone 56, the liquid-cooled heat exchange indoor unit 2 is arranged in the hot zone 55, the liquid-cooled heat exchange outdoor unit 3 is arranged outside the equipment cabinet 5, and the liquid-cooled heat exchange indoor unit 2 passes through the The pipeline 4 is connected with the liquid-cooled heat exchange outdoor unit 3 ; the liquid-cooled heat exchange indoor unit 2 is used for exchanging the hot air in the hot zone 55 to form heat, so as to transfer the heat through the pipeline 4 The liquid-cooled heat exchange indoor unit 2 is supplied with the working fluid, and the pipeline 4 transfers the working fluid in the liquid-cooled heat exchange indoor unit 2 to the liquid-cooled heat exchange outdoor unit 3, and the liquid-cooled heat exchange outdoor unit 3 It is used to dissipate the heat of the working fluid to the external environment to cool the working fluid, and transport the cooled working fluid back to the liquid-cooled heat exchange indoor unit 2 through the pipeline 4 . The liquid-cooled heat exchange indoor unit 2 is used for exchanging the cold energy of the cooled working medium to form cold air, and discharging the cold air to the cold area 56 of the equipment cabinet 5 .

Exemplarily, traditional air conditioners are used for cooling and cooling, but the air conditioner itself has certain limitations in energy efficiency. The PUE value is between 1.4 and 2.5, which means that for every 1kW of equipment consumption, an additional consumption of 0.4kW to 2.5kW is required. The power is used to cool the 5G equipment. The energy efficiency ratio of air conditioning and refrigeration is between 2.5 and 3.0. The PUE value of the equipment room or closed cabinet is between 1.4 and 2.5, which means that the energy consumption is relatively high; PUE is short for Power Usage Effectiveness, which is used to evaluate data centers. The indicator of energy efficiency is the ratio of all energy consumed by the data center to the energy consumed by IT loads; PUE value = total energy consumption of the data center / energy consumption of IT equipment, in which the total energy consumption of the data center includes the energy consumption of IT equipment and cooling, distribution and distribution. The energy consumption of electricity and other systems, its value is greater than 1, and the closer to 1, the less energy consumption of non-IT equipment, that is, the better the energy efficiency level. The PUE value of the liquid-cooled heat exchange system provided by the present invention is generally below 1.2, the technical solution is more energy-saving than traditional air-conditioning refrigeration, and effectively solves the problem of high energy consumption of air-conditioning refrigeration.

Compared with the prior art, the liquid-cooled heat exchange system provided by the present invention comprises an equipment cabinet system 1, a liquid-cooled heat-exchange indoor unit 2, a liquid-cooled heat-exchange outdoor unit 3 and a pipeline 4; In the equipment cabinet 5, the hot air in the hot zone 55 of the equipment cabinet 5 is exchanged with the liquid-cooled heat exchange indoor unit 2, the hot air in the hot zone 55 is exchanged to form heat, and the heat is transferred to the liquid-cooled heat exchange indoor unit 2. The working fluid that flows, the working fluid circulates between the liquid-cooled heat exchange indoor unit 2 and the liquid-cooled heat exchange outdoor unit 3 through the pipeline 4, and the liquid-cooled heat exchange outdoor unit 3 dissipates the heat of the working fluid to the external environment, In order to cool the working medium, the working medium will return to the liquid-cooled heat exchange indoor unit 2 through the pipeline 4 after cooling down, and the liquid-cooled heat exchange indoor unit 2 will heat the cooling capacity of the cooled working medium to form cold air, and will The cold air is discharged to the cold area 56 of the equipment cabinet 5 . The liquid-cooled heat exchange system of the present invention allows the hot air from the hot zone 55 to pass through the cold and heat exchange system to form cold air and return to the cold zone 56 to form an independent closed circulation system. The hot air from the hot zone 55 directly enters the liquid-cooled heat exchange system to maximize the The heat flow path is shortened to a certain extent, the problem of hot spot concentration and heat island effect is solved, and the phenomenon of mixing hot and cold air and the waste of heat leakage are avoided, and the problem of airflow management is solved.

Further, please refer to FIG. 2 to FIG. 6 together, as a specific embodiment of the liquid-cooled heat exchange system provided by the present invention, the cabinet system includes an equipment carrying rack 11 , a first partition 12 , a second partition plate 13 and the first closing plate 14, the equipment cabinet 5 includes a front cabinet door 51, a rear cabinet door 52, a left cabinet door 53 and a right cabinet door 54, the equipment carrying rack 11 includes a first column 111, a second The pillar 112, the third pillar 113 and the fourth pillar 114; the first pillar 111, the second pillar 112, the third pillar 113 and the fourth pillar 114 sequentially enclose the equipment carrying frame 11, the equipment carrying machine The rack 11 is installed in the equipment cabinet 5, a plurality of BBU equipment 15 are placed on the equipment carrying rack 11, the first closing plate 14 is arranged between two adjacent BBU equipment 15, and the The first closing plate 14 is coplanar with the right side of the BBU device 15 ; the first partition plate 12 is arranged between the right cabinet door 54 and the first pillar 111 , and the second partition plate 13 is arranged Between the rear cabinet door 52 and the second pillar 112 , the first partition 12 is coplanar with the front side of the BBU device 15 , and the second partition 13 is coplanar with the front side of the BBU device 15 . The right side is coplanar; the first partition 12, the second partition 13 and the equipment carrying rack 11 are used to separate the equipment rack 5 into a hot area 55 and a cold area 56, wherein the first partition 12. The area enclosed by the second partition 13, the first closing plate 14, the BBU equipment 15, the equipment carrying rack 11, the right cabinet door 54 and the rear cabinet door 52 is the hot zone 55; the heat outlet of the BBU equipment 15 The tuyere 151 communicates with the liquid-cooled heat exchange indoor unit 2 .

Exemplarily, the area enclosed by the first partition 12 , the second partition 13 , the first closing plate 14 , the BBU equipment 15 , the equipment carrying rack 11 , the right cabinet door 54 and the rear cabinet door 52 is a hot zone 55. The rest of the area is the cold area 56. The hot area 55 and the cold area 56 in the cabinet system are independent areas that do not communicate with each other. The mixing of hot and cold air causes energy waste.

Exemplarily, the liquid-cooled heat exchange indoor unit 2 is docked with the hot air outlet 151 of the BBU device 15, so that the hot air outlet 151 of the BBU device 15 is communicated with the liquid-cooled heat exchange indoor unit 2, thereby making The hot air 55 discharged from the hot air outlet 151 of the BBU device 15 exchanges heat with the liquid-cooled heat exchange indoor unit 2 .

Further, please refer to FIG. 2 to FIG. 6 together, as a specific embodiment of the liquid cooling heat exchange system provided by the present invention, the cabinet system further includes a third partition plate 16 and a second closing plate 17;

The third partition 16 is arranged between the fourth pillar 114 and the left cabinet door 53, the second closing plate 17 is arranged between two adjacent BBU devices 15, and the third partition The plate 16 and the second closing plate 17 are coplanar with the front side of the BBU equipment 15; , and the area enclosed by the front cabinet door 51 is the front isolation area 18; the left area of the BBU device 15 is communicated with the rear area of the BBU device 15, and the second partition 13, the first The area enclosed by the three partitions 16 , the BBU equipment 15 , the equipment carrying rack 11 , the left cabinet door 53 and the rear cabinet door 52 is the cold area 56 .

Exemplarily, the area enclosed by the first partition 12 , the third partition 16 , the second closing plate 17 , the BBU equipment 15 , the equipment carrying rack 11 , and the front cabinet door 51 is the front isolation area 18. The function of the front isolation area 18 is to reduce the space heat leakage of the cold area 56 inside the equipment cabinet 5 and reduce the waste of cold supply air.

Exemplarily, the equipment cabinet 5 is divided into three independent and disconnected areas: the front isolation area 18 , the hot area 55 and the cold area 56 . Space heat leakage and radiation heat leakage are avoided, and the energy consumption of the equipment room will not be affected.

Further, please refer to FIG. 6 together, as a specific embodiment of the liquid cooling heat exchange system provided by the present invention, the first partition plate 12 , the second partition plate 13 and the third partition plate 16 are all provided with Thermal insulation cotton, the thermal insulation cotton is used to isolate the heat spaced between the cold zone 56 and the hot zone 55 .

Exemplarily, the thermal insulation cotton is used to isolate the heat spaced between the cold zone 56 and the hot zone 55, preventing the first separator 12, the second separator 13 and the third separator 16 from being used for separation. When the cold zone 56 and the hot zone 55 are used, the first partition plate 12 , the second partition plate 13 and the third partition plate 16 are caused to mix with heat and cold. The liquid-cooled heat exchange system provided by the present invention does not need to use special air guides to guide cold air from the front of the BBU equipment 15 to the air inlet side, and then discharge heat to the rear of the equipment cabinet 5 through the air guides; this technical solution It only needs to use the insulation cotton on the clapboard to achieve, the airflow organization is simple and effective, the energy consumption is small, the material and processing costs are much lower than the traditional cabinets, and the installation and coordination are simple.

Further, please refer to FIG. 1 , FIG. 3 and FIG. 6 together, as a specific embodiment of the liquid-cooled heat exchange system provided by the present invention, the liquid-cooled heat exchange indoor unit 2 includes an indoor unit heat exchanger 21 , The liquid-cooled heat exchange outdoor unit 3 includes an outdoor unit heat exchanger 31, and the pipeline 4 includes a first branch pipeline 41; the indoor unit heat exchanger 21 is connected to the hot air outlet 151 of the BBU device 15, The indoor unit heat exchanger 21 is used for exchanging heat with the hot air in the hot zone 55, exchanging the hot air in the hot zone 55 to form heat, and transferring the heat to the liquid-cooled heat exchange indoor unit 2 to flow. In the working medium, the working medium circulates in the first branch pipe 41; the indoor unit heat exchanger 21 is connected to one end of the first branch pipe 41, and the liquid-cooled heat exchange outdoor unit 3 is connected to The other end of the first branch pipe 41 is connected, and the first branch pipe 41 is used to transport the working fluid flowing in the liquid-cooled heat exchange indoor unit 2 to the liquid-cooled heat exchange outdoor unit 3. The outdoor unit heat exchanger 31 is used to dissipate the heat of the working fluid flowing in the liquid-cooled heat exchange outdoor unit 3 to the external environment, so as to cool the working fluid.

Exemplarily, the indoor unit heat exchanger 21 is connected to one end of the first branch pipe 41, the liquid-cooled heat exchange outdoor unit 3 is connected to the other end of the first branch pipe 41, and the indoor unit The heat exchanger 21 conducts heat exchange with the hot air in the hot zone to form heat, so as to transfer the heat to the working fluid in the liquid-cooled heat exchange indoor unit 2 through the first branch pipe 41, and the first branch pipe 41 The working medium in the liquid-cooled heat exchange indoor unit 2 is transferred to the liquid-cooled heat exchange outdoor unit 3, and the working medium is driven by the pump through the first branch line 41 between the liquid-cooled heat exchange indoor unit 2 and the liquid-cooled heat exchange outdoor unit. 3; the liquid-cooled heat exchange outdoor unit 3 receives the working fluid in the liquid-cooled heat exchange indoor unit 2, and transfers the working fluid flowing in the liquid-cooled heat exchange outdoor unit 3 through the outdoor unit heat exchanger 31. The mass is converted into heat and dissipated into the external environment to cool the working medium.

Further, please refer to FIG. 1 to FIG. 3 together, as a specific embodiment of the liquid cooling heat exchange system provided by the present invention, the second partition 13 is provided with a cold air outlet 131, and the pipeline 4 further includes The second branch pipe 42; the indoor unit heat exchanger 21 is connected to the cold air outlet 131, and the indoor unit heat exchanger 21 blocks the cold air outlet 131; the indoor unit heat exchanger 21 is connected to the second One end of the branch pipe 42 is connected, and the liquid-cooled heat exchange outdoor unit 3 is connected with the other end of the second branch pipe 42, and the second branch pipe 42 is used to transport the cooled working fluid back to the liquid-cooled The heat exchange indoor unit 2, the indoor unit heat exchanger 21 is also used for heat exchange of the cold energy in the cooled working medium to form cold air, and the cold air is discharged to the equipment cabinet 5 through the cold air outlet 131. Cold Zone 56.

Exemplarily, the indoor unit heat exchanger 21 is connected to one end of the second branch pipe 42, and the liquid-cooled heat exchange outdoor unit 3 is connected to the other end of the second branch pipe 42 through the second branch pipe. Road 4 transports the cooled working fluid back to the liquid-cooled heat exchange indoor unit 2, and the indoor unit heat exchanger 21 exchanges the cold energy in the cooled working fluid to form cold air, and passes the cold air through the cold air outlet. 131 is discharged to the cold area 56 of the equipment cabinet 5, and this process forms an independent closed circulation system.

Further, please refer to FIG. 1, FIG. 3 and FIG. 6 together, as a specific embodiment of the liquid-cooled heat exchange system provided by the present invention, the liquid-cooled heat exchange indoor unit 2 further includes an internal circulation fan 22;

The inner circulation fan 22 is arranged on the indoor unit heat exchanger 21, and the inner circulation fan 22 is arranged opposite to the position of the hot air outlet 151 of the BBU device 15, and the inner circulation fan 22 is used to The cold air after the cooling of the indoor unit heat exchanger 21 has been exchanged with the working medium is guided to the cold zone 56 .

Exemplarily, the internal circulation fan 22 is used to blow the cold air after the cooling of the indoor unit heat exchanger 21 after the working medium is exchanged to the cold zone 56, so that the cold air is discharged to the equipment through the cold air outlet 131. Cold zone 56 of cabinet 5 .

Further, the first branch pipeline 41 and the second branch pipeline 42 are made of copper alloy.

Exemplarily, a working medium flows in the first branch pipe 41 and the second branch pipe 42, and the working medium passes through the first branch pipe 41 and the second branch pipe 42 under the driving of the pump in the liquid-cooled heat exchange chamber. Unit 2 and liquid-cooled heat exchange outdoor unit 3 circulate. The pump used in the liquid-cooled heat exchange system provided by the present invention transports the working medium for exchanging heat dissipation, and the noise generated is generally within 30dB, which effectively solves the problem of high noise.

Further, the working medium is a mixed solution of ionized water and ethylene glycol.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (9)

1. A liquid-cooled heat exchange system, characterized in that: it comprises an equipment cabinet system, a liquid-cooled heat-exchange indoor unit, a liquid-cooled heat-exchange outdoor unit and a pipeline; The cabinet system is used to separate the equipment cabinet into a hot area and a cold area, the liquid-cooled heat exchange indoor unit is arranged in the hot area, the liquid-cooled heat exchange outdoor unit is arranged outside the equipment cabinet, and the liquid-cooled heat exchange indoor unit is arranged outside the equipment cabinet. The cold and heat exchange indoor unit is connected with the liquid-cooled heat exchange outdoor unit through the pipeline; The liquid-cooled heat exchange indoor unit is used for exchanging the hot air in the hot zone to form heat, so as to transfer the heat to the working medium in the liquid-cooled heat exchange indoor unit through the pipeline, and the pipeline will The working medium in the liquid-cooled heat exchange indoor unit is transferred to the liquid-cooled heat exchange outdoor unit, and the liquid-cooled heat exchange outdoor unit is used to dissipate the heat of the working medium to the external environment to cool the working medium, and pass The pipeline transports the cooled working medium back to the liquid-cooled heat exchange indoor unit, and the liquid-cooled heat exchange indoor unit is used to heat-exchange the cold energy of the cooled working medium to form cold air, and to cool down the working medium. The cold air is exhausted to the cold area of the equipment cabinet. 2 . The liquid-cooled heat exchange system according to claim 1 , wherein the cabinet system comprises an equipment carrying rack, a first partition board, a second partition board and a first closing board, and the equipment cabinet comprises a front a cabinet door, a rear cabinet door, a left cabinet door and a right cabinet door, the equipment carrying rack includes a first pillar, a second pillar, a third pillar and a fourth pillar; The first pillar, the second pillar, the third pillar and the fourth pillar sequentially enclose the equipment carrying rack, the equipment carrying rack is installed in the equipment cabinet, and the equipment carrying rack is placed thereon. A plurality of BBU devices, the first closing plate is arranged between two adjacent BBU devices, and the first closing plate is coplanar with the right side of the BBU device; The first partition is arranged between the right cabinet door and the first pillar, the second partition is arranged between the rear cabinet door and the second pillar, and the first partition is Coplanar with the front side of the BBU device, and the second baffle is coplanar with the right side of the BBU device; The first partition, the second partition and the equipment carrying rack are used for dividing the equipment cabinet into a hot area and a cold area, wherein the first partition, the second partition, the first closing plate, The area enclosed by the BBU equipment, the equipment carrying rack, the right cabinet door and the rear cabinet door is the hot zone; The hot air outlet of the BBU equipment communicates with the liquid-cooled heat exchange indoor unit. 3. The liquid-cooled heat exchange system according to claim 2, wherein the cabinet system further comprises a third partition plate and a second closing plate; The third partition is arranged between the fourth pillar and the left cabinet door, the second closing plate is arranged between two adjacent BBU devices, the third partition and the second closing The boards are all coplanar with the front side of the BBU device; The area enclosed by the first partition, the third partition, the second closing plate, the BBU equipment, the equipment carrying rack, and the front cabinet door is the front isolation area; The left area of the BBU equipment is communicated with the rear area of the BBU equipment, and the second partition, the third partition, the BBU equipment, the equipment carrying rack, the left cabinet door and the rear cabinet door are enclosed. The area is a cold zone. 4 . The liquid cooling heat exchange system according to claim 3 , wherein the first partition, the second partition and the third partition are all provided with thermal insulation cotton, and the thermal insulation cotton is used to isolate the space. 5 . Heat between the cold and hot zones. 5. The liquid-cooled heat exchange system according to any one of claims 2-4, wherein the liquid-cooled heat-exchange indoor unit comprises an indoor unit heat exchanger, and the liquid-cooled heat-exchange outdoor unit comprises an outdoor unit a heat exchanger, the pipeline includes a first branch pipeline; The indoor unit heat exchanger is connected to the hot air outlet of the BBU equipment, and the indoor unit heat exchanger is used for exchanging heat with the hot air in the hot zone, exchanging the hot air in the hot zone to form heat, and exchanging heat with the hot air in the hot zone. Heat is transferred to the working medium flowing in the liquid-cooled heat exchange indoor unit, and the working medium circulates in the first branch pipe; The indoor unit heat exchanger is connected to one end of the first branch pipe, and the liquid-cooled heat exchange outdoor unit is connected to the other end of the first branch pipe, and the first branch pipe is used to transfer the liquid The working fluid flowing in the cold and heat exchange indoor unit is transported to the liquid-cooled heat exchange outdoor unit, and the outdoor unit heat exchanger is used to dissipate the heat of the working fluid flowing in the liquid-cooled heat exchange outdoor unit to the external environment , to cool the working fluid. 6. The liquid-cooled heat exchange system according to claim 5, wherein the second partition plate is provided with a cold air outlet, and the pipeline further comprises a second branch pipeline; The indoor unit heat exchanger is connected to the cold air outlet, and the indoor unit heat exchanger blocks the cold air outlet; The indoor unit heat exchanger is connected to one end of the second branch pipe, the liquid-cooled heat exchange outdoor unit is connected to the other end of the second branch pipe, and the second branch pipe is used to The working fluid is transported back to the liquid-cooled heat exchange indoor unit, and the indoor unit heat exchanger is also used to heat-exchange the cold energy in the cooled working fluid to form cold air, and discharge the cold air to the cooling air outlet through the cold air outlet. the cold area of the equipment cabinet. 7. The liquid-cooled heat exchange system according to claim 6, wherein the liquid-cooled heat exchange indoor unit further comprises an internal circulation fan; The inner circulation fan is arranged on the indoor unit heat exchanger, and the inner circulation fan is arranged opposite to the position of the hot air outlet of the BBU equipment, and the inner circulation fan is used for heat exchange of the indoor unit. The cold air after the cooling of the working medium is exchanged and is led to the cold zone. 8 . The liquid cooling heat exchange system according to claim 2 , wherein the first branch pipeline and the second branch pipeline are made of copper alloy. 9 . 9 . The liquid cooling heat exchange system according to claim 2 , wherein the working medium is a mixed solution of ionized water and ethylene glycol. 10 .

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