CN214545209U

CN214545209U - Inter-row heat pipe additionally provided with phase change module and used for data center

Info

Publication number: CN214545209U
Application number: CN202022396859.2U
Authority: CN
Inventors: 陈飞虎; 廖曙光; 邢利; 杨维; 王储; 陈喜
Original assignee: Changsha Maxxom High-Tech Co ltd
Current assignee: Changsha Maxxom High-Tech Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-10-29
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a data center is with heat pipe between row who adds phase transition module, including the heat pipe system, the heat pipe system is including the heat exchanger that heat pipe evaporimeter and condenser establish ties and form between row, the air intake of heat pipe evaporimeter is equipped with the phase transition module between row, fill phase transition material in the phase transition module. When the evaporation fan works normally, the phase change module absorbs heat to store heat; when the load of the server is reduced, the heat of the phase change module is released to an evaporator of the inter-row heat pipe, and heat dissipation is carried out; the utility model discloses increase on traditional refrigerating system's basis and want to become the module, can improve the stability of refrigerating system operation, reduce refrigerating system's condensing temperature.

Description

Inter-row heat pipe additionally provided with phase change module and used for data center

Technical Field

The utility model belongs to the technical field of heating and ventilation air conditioning equipment and specifically relates to a heat pipe between row of data center with addding phase transition module is related to.

Background

With the rapid development of the electronic industry and the continuous development of the communication technology, the application and management mode of the information technology is gradually developed from independent and dispersed functional resources to an operation mode with a data center as a main operation platform. The demand for computing power of data centers is increasing, so that more server cabinets have to be stacked in the limited space of the data centers to meet the use demand. In addition to the energy loss, the heat energy generated by the operation of the server racks is also discharged to the inside of the data center. Therefore, in order to ensure that the server racks and other electrical devices can also operate normally in the data center, it is also important to plan the overall heat dissipation scheme of the data center.

At present, heat dissipation planning of data centers has become a subject of much attention, and inter-row heat pipe air conditioners and the like are widely used for cooling of data centers, supercomputing centers and the like. The system has extremely high requirement on reliability, and once the system fails, immeasurable loss is caused. Meanwhile, server load is uncertain and random in time and space, which requires precise calculation of parameters such as refrigerant charge amount. If the parameter setting does not meet the requirements, the conditions of dry burning and the like of the system are easily caused; on the other hand, the area of the machine room is too small, the emergency refrigeration system needs to occupy larger machine room space, and further, the initial investment of the emergency refrigeration system is high, so that the wide application of the small and medium machine rooms is limited.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the inter-row heat pipe with the additional phase change module for the data center is provided, and the impact and influence of thermal load instability on the unit are relieved by the additional phase change module.

In order to realize the technical purpose, the utility model provides a, a heat pipe between row that data center was with addding phase change module, including the heat pipe system, the heat pipe system is including the heat exchanger that heat pipe evaporimeter and condenser series connection formed between row, the air intake of heat pipe evaporimeter is equipped with the phase change module between row, pack phase change material in the phase change module.

Preferably, the number of the phase change modules is at least one.

Preferably, the phase change material filled in the phase change module is an organic material, an inorganic material or an organic/inorganic composite material at the temperature of 19-24 ℃. The organic material comprises Ba (OH) 2.8H 2O, Zn (NO3) 2.6H 2O and CaBr 2.6H 2O; the inorganic material comprises paraffin and fatty acid, and various materials listed above have good application effect.

Preferably, a condensation fan is arranged on the condensation side of the condenser.

Preferably, a condensed water tray is arranged below the inter-row heat pipe evaporator.

Preferably, an evaporation fan is arranged on the evaporation side of the inter-row heat pipe evaporator, and the phase change module is arranged between the evaporation fan and the inter-row heat pipe evaporator.

Preferably, working media are filled in the pipeline of the heat pipe system, and the working media are simple substance working media R22, R134A and the like or non-azeotropic mixed working media.

Preferably, the heat exchanger is a micro-channel heat exchanger or a copper pipe aluminum fin and realizes heat exchange with the phase change module.

Preferably, the heat pipe system is further provided with a controller and a sensor installed in the data center room, and the controller is electrically connected with the sensor and used for detecting working conditions of system failure, shutdown and the like; furthermore, the control module adopts an industrial controller supporting a standard communication protocol, and the industrial controller is in communication connection with an upper computer and used for realizing remote management.

Preferably, the condenser and the condensing fan can adopt direct expansion type cooling or direct evaporation cooling.

Preferably, the condensing fan may be an axial flow fan, a cross flow fan, or the like.

The utility model has the advantages that: the utility model has reasonable structural design and convenient installation, and the phase change module filled with the phase change material is additionally arranged at the air inlet; when the evaporation fan works normally, the heat dissipation capacity of the server is increased, and when the heat dissipation capacity exceeds the range of heat absorption of a refrigerant in an evaporator pipeline, the phase change module absorbs heat, stores heat and buffers the load pressure of the server; when the load of the server is reduced, the heat of the phase change module is released to the evaporator of the inter-row heat pipe for heat dissipation, so that the continuous and stable operation of the air conditioning system can be ensured, and the high-efficiency operation of the data center is ensured.

Drawings

FIG. 1 is a schematic diagram of an intercolumn heat pipe with an additional phase change module for a data center;

in the figure: 1-inter-row heat pipe evaporator; 2-a phase change module; 3-an evaporation fan; 4-a condensate pan; 5-a condenser; 6-a condensing fan; 7-server rack.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1:

a heat pipe between columns additionally provided with a phase change module for a data center is arranged in a closed channel between server racks of a data center room; including the heat pipe system, the heat pipe system includes the heat exchanger that heat pipe evaporimeter 1 and condenser 5 establish ties and form between the row, the air intake of heat pipe evaporimeter 1 is equipped with phase change module 2 between the row, pack phase change material in the phase change module 2, the condensation side of condenser 5 is equipped with condensing fan 6, and the evaporation side of heat pipe evaporimeter 1 is equipped with evaporating fan 3 between the row, evaporating fan 3 and heat pipe evaporimeter 1 between the row are located to phase change module 2. The condenser 5 is used for extracting air from the outer side of the data center by a condensing fan 6 to exchange heat with the condenser 5, and the inter-row heat pipe evaporator 1 is used for driving the air to exchange heat by an evaporating fan 3.

In this embodiment, the number of the phase change modules 2 is one.

In this embodiment, the phase change material filled in the phase change module 2 is an organic material, an inorganic material or an organic/inorganic composite material at a temperature of 19-24 ℃.

In the present embodiment, a condensed water tray 4 is installed below the inter-train heat pipe evaporator 1 for collecting condensed water discharged from the inter-train heat pipe evaporator 1.

In this embodiment, a working medium is filled in a pipeline of the heat pipe system, and the working medium is a simple substance working medium R22, R134A, or a non-azeotropic mixed working medium; the phase change material filled in the phase change module is inorganic material, paraffin and fatty acid at the temperature of 19-24 ℃. The components in the non-azeotropic mixed working medium are organic materials, inorganic materials or organic/inorganic composite materials with the boiling point of 0-50 ℃. The boiling point of the phase change material filled in the phase change module is higher than that of the working medium in the pipeline of the heat pipe system, so that the working medium working efficiency of the heat exchange pipe is adjusted by utilizing the phase change module at the maximum efficiency, the purpose of preventing dry burning is achieved, the refrigeration effect is ensured, and the high-efficiency operation of the data center is ensured.

In this embodiment, the inter-row heat pipe evaporator 1 and the condenser 5 are both microchannel heat exchangers or copper pipe aluminum fins.

In this embodiment, the heat pipe system is further provided with a controller and a sensor installed in the data center room, wherein the controller is electrically connected with the sensor and is used for detecting working conditions of system failure, shutdown and the like; in a preferred embodiment of this embodiment, the control module employs an industrial controller supporting a standard communication protocol, and the industrial controller is in communication connection with an upper computer, and is used for implementing remote management.

In this embodiment, condenser 5 and condensing fan 6 adopt the formula of directly expanding cooling, and condensing fan 6 adopts axial fan, simple to operate, and ventilation effect is obvious.

Description of the working process:

in the operation process of the data center machine room system, a refrigeration working medium absorbs heat emitted by equipment in the data center machine room in the inter-row heat pipe evaporator 1 to evaporate, enters the condenser 5, emits the heat to the outdoor environment in the condenser 5, condenses the working medium, and returns to the inter-row heat pipe evaporator by virtue of gravity (the installation position of the condenser is higher than that of the inter-row heat pipe evaporator), thereby completing a refrigeration cycle; in the process, when the heat dissipation capacity of the server is increased when the evaporation fan works normally and exceeds the range of the heat absorption capacity of the working medium in the evaporator pipeline, the phase change module absorbs the heat to store the heat, and dry burning is avoided; buffering load pressure when the server load is increased is realized; when the load of the server is reduced, the heat of the phase change module is released to the inter-row heat pipe evaporator, and the working medium in the pipeline is radiated through the outdoor unit, so that the effects of reducing the filling amount of the working medium and reducing the congestion are achieved.

The above is only an embodiment of the present invention, and is not used to limit the present invention, and to those skilled in the art, the present invention can have the combination and modification of the aforementioned various technical features, and those skilled in the art can replace the improvement, modification, equivalent, or use the structure or method of the present invention in other fields to achieve the same effect without departing from the spirit and scope of the present invention, and all belong to the protection scope covered by the present invention.

Claims

1. The utility model provides a data center is with setting up heat pipe between row of phase transition module, includes the heat pipe system, and the heat pipe system includes the heat exchanger that heat pipe evaporimeter and condenser establish ties between row formed, its characterized in that, the air intake of heat pipe evaporimeter between row is equipped with the phase transition module, fill phase transition material in the phase transition module.

2. The intercolumn heat pipe with the additional phase change module for the data center according to claim 1, wherein a condensing fan is arranged on a condensing side of the condenser.

3. The intercolumn heat pipes with the additional phase change modules for the data center according to claim 1, wherein an evaporation fan is arranged on an evaporation side of the intercolumn heat pipe evaporator, and the intercolumn heat pipes are arranged between the evaporation fan and the intercolumn heat pipe evaporator.

4. The intercolumn heat pipe with the additional phase change module for the data center according to claim 1, wherein a condensed water tray is installed below an evaporator of the intercolumn heat pipe.

5. The intercolumn heat pipe with the additional phase change modules for the data center according to claim 1, wherein the number of the phase change modules is at least one.

6. The intercolumn heat pipe with additional phase change modules for data center according to claim 1, wherein the phase change material filled in the phase change modules is organic material, inorganic material or organic/inorganic composite material at 19-24 ℃.

7. The intercolumn heat pipe with the additional phase change module for the data center according to claim 1, wherein the heat pipe system is filled with a working medium, and the working medium is a simple substance working medium R22, R134A or a non-azeotropic mixture working medium.

8. The intercolumn heat pipe with the additional phase change module for the data center according to claim 1, wherein the heat exchanger is a microchannel heat exchanger or a copper pipe aluminum fin.

9. The intercolumn heat pipe with the additional phase change module for the data center according to any one of claims 1 to 8, wherein the heat pipe system further comprises a controller and a sensor installed in the data center chamber, and the controller and the sensor are electrically connected and used for detecting system failure and shutdown conditions.