Data center cabinet control system and method

Abstract

The present invention discloses a data center cabinet control system and method, including a cabinet, a partition is fixed at the rear end of the cabinet, a server is installed at the upper end of the partition, a cold channel is provided inside the cabinet and located on the left side of the partition, a hot channel is provided inside the cabinet and located on the right side of the partition, a carrier is fixed above the rear end of the cabinet and located on the uppermost partition, a barrier cover is installed on the upper end of the carrier, a shunt pipe is provided inside the cold channel, and an exhaust pipe is connected vertically to the right end of the shunt pipe. The data center cabinet control system can play a role of partitioning between the air inlet side above the cold channel and the air outlet side above the hot channel by arranging a barrier cover above the inside of the cabinet, so that after the cold air enters the cabinet from above the cold channel, it needs to pass through the server to enter the hot channel and be discharged from above the hot channel, which can prevent the hot air in the hot channel from entering the cold channel and causing the mixing of cold and hot air, thereby improving the heat dissipation of the server.

Description

Technical Field

[0001] The present invention relates to the technical field of data center cabinets, and in particular to a data center cabinet control system and method. Background Art

[0002] With the rapid development of information technology, data centers, as important infrastructure supporting emerging technologies such as cloud computing, big data, and the Internet of Things, are growing in size and complexity. The core equipment inside the data center, the server, undertakes the key tasks of data processing and information storage, and its efficient operation is crucial to the overall performance of the data center. However, the server generates a lot of heat during high-speed computing. If the heat dissipation is not properly managed, it will cause the equipment to overheat, which will not only affect the stability and life of the server, but also increase energy consumption and reduce the energy efficiency of the data center.

[0003] Traditional data center cabinet cooling design usually relies on a hot channel / cold channel layout, that is, server racks are organized in a certain arrangement, the cold channel allows cold air to pass through, directly cooling the server, and the hot channel collects the hot air emitted by the server, which is then cooled by the air conditioning system and recycled. Although this design solves the heat dissipation problem to a certain extent, in actual operation, due to poor airflow management, hot and cold air are easily mixed, reducing heat dissipation efficiency and increasing energy consumption. It may also accelerate server aging and affect the normal operation and service quality of the data center.

[0004] To address this problem, the industry has proposed a variety of solutions, such as the use of intelligent temperature and humidity control systems, improved air duct design, and more efficient heat exchange equipment, aiming to improve cooling efficiency and reduce energy consumption. However, these solutions often focus on optimizing a single technical point and lack systematic overall considerations, making it difficult to fundamentally solve the problem of low heat dissipation efficiency caused by the mixing of cold and hot air flows.

[0005] Therefore, there is an urgent need for a data center cabinet control system that can not only effectively isolate hot and cold airflows and avoid mixing, but also dynamically adjust cooling resource allocation according to the actual heat load of the server, ensuring the heat dissipation effect while maximizing energy efficiency. Summary of the invention

[0006] The purpose of the present invention is to overcome the defects of the prior art and provide a data center cabinet control system and method to solve the problems existing in the above-mentioned background technology.

[0007] A data center cabinet control system includes a cabinet body, a partition is fixed at the rear end of the cabinet body, a server is installed at the upper end of the partition, a cold channel is provided inside the cabinet body and on the left side of the partition, a hot channel is provided inside the cabinet body and on the right side of the partition, a carrier is fixed above the partition at the rear end of the cabinet body and located at the top, a barrier cover is installed on the upper end of the carrier plate, a shunt pipe is provided inside the cold channel, an exhaust pipe is vertically connected to the right end of the shunt pipe, the upper end of the shunt pipe passes through the cabinet body and is connected to a cold air inlet pipe, and a hot air exhaust pipe is fixed to the upper end of the hot channel.

[0008] Preferably, an electric T-type three-way valve is connected between the diversion pipe and the cold air inlet pipe, a carbon dioxide fire extinguisher is installed in the middle of the upper end of the carrier plate, the discharge end of the carbon dioxide fire extinguisher is connected to a connecting pipe, the end of the connecting pipe passes through the top of the cabinet, and the end of the connecting pipe is connected to the electric T-type three-way valve.

[0009] Preferably, a smoke sensor is embedded and installed on one side of the lower end of the carrier plate, and a controller is fixedly installed on one side of the upper end of the carrier plate. The smoke sensor is signal-connected to the controller, and the controller is signal-connected to the electric T-type three-way valve.

[0010] Preferably, guide rails are fixed on both left and right sides of the upper end of the carrier plate, and guide grooves are opened on both left and right sides of the lower end of the barrier cover, and the guide rails are slidably connected to the guide grooves.

[0011] Preferably, sealing gaskets are embedded and fixed at both ends of the barrier cover and the left and right sides of the rear end. The sealing gasket at the rear end is tightly attached to the rear end of the cabinet inner wall, the sealing gasket at the upper end is tightly attached to the upper end of the cabinet inner wall, and the sealing gasket at the lower end is tightly attached to the upper end of the carrier plate.

[0012] Preferably, the front end of the carrier is rotatably connected to a T-shaped shaft, the front end surface of the T-shaped shaft and the front end surface of the carrier are located in the same plane, a knob is fixed to the front end of the T-shaped shaft, a convex strip is provided at the front end of the knob, a blocking strip is fixed to the surface of the knob, and the blocking strip is located in front of the blocking cover and is tightly attached to the blocking cover.

[0013] Preferably, spring grooves opened in the carrier plate are provided on the left and right sides of the T-shaped rotating shaft, a spring is fixed at the bottom of the spring groove, a damping block is fixed at the other end of the spring, and the damping block is in close contact with the surface of the T-shaped rotating shaft.

[0014] Preferably, the cross-sectional area ratio of the cold air inlet pipe and the hot air outlet pipe is set to A_cold:A_hot to ensure that the flow velocity ratio of the cold and hot air flows matches the heat dissipation requirements of the server; the cross-sectional area ratio of the cold air inlet pipe and the hot air outlet pipe can be set to A_cold:A_hot by calculating the server's heat load Q_server, the air flow rate V_cold in the cold channel and the air flow rate V_hot in the hot channel, as well as the specific heat capacity Cp and the temperature difference ΔT of the air, and establishing a mathematical model to optimize the airflow ratio.

[0015] Preferably, by calculating the heat load Q_server of the server, the air flow rate V_cold of the cold channel and the air flow rate V_hot of the hot channel, as well as the specific heat capacity Cp and the temperature difference ΔT of the air, a mathematical model is established to optimize the airflow ratio, so as to set the cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) to A_cold:A_hot, specifically including:

[0016] First, based on the actual power P_server and equipment efficiency η of the server, the heat load Q_server of the server is calculated using the formula Q s erver=P s erver×(1-η), the heat load assessment includes the average power consumption and peak power fluctuation of the server;

[0017] According to the design of cold channel and hot channel, the air flow rate of cold air inlet pipe and hot air outlet pipe is determined by combining Bernoulli equation with continuity equation;

[0018] The specific heat capacity of air is 1.005 kJ / (kg·K);

[0019] Calculate the average temperature difference between the hot and cold channels as a key parameter for evaluating heat exchange efficiency and determine ΔT; build a mathematical model to optimize the ratio of hot and cold airflows as follows:

[0020] Among them, Q h ot is the total heat generated by the server, T h ot and T c old are the temperatures of the hot channel outlet and the cold channel entrance, A c old and A h ot are the effective cross-sectional areas of the cold air inlet pipe and the hot air outlet pipe respectively; based on the above mathematical model, the actual sizes of the cold air inlet pipe (8) and the hot air outlet pipe (10) are adjusted to achieve the calculated optimal cross-sectional area ratio.

[0021] The present application also discloses a data center cabinet control method, including:

[0022] Assembling a cabinet (1), fixing a partition (2), and installing a server (3) on the upper end of the partition (2);

[0023] A cold channel and a hot channel are arranged to ensure that the left side of the partition (2) is a cold channel and the right side is a hot channel, and a carrier plate (4) is fixed above the uppermost partition (2);

[0024] A barrier cover (11) is installed on the carrier plate (4), a shunt pipe (5) is installed inside the cold channel, and the right end of the shunt pipe (5) is connected to the exhaust pipe (6);

[0025] Connecting the cold air inlet pipe (8) and the hot air outlet pipe (10) to ensure smooth flow of the cold air inlet system and the hot air outlet system;

[0026] Install the electric T-type three-way valve (7), carbon dioxide fire extinguisher (15), smoke sensor (16), and controller (17) to complete the system hardware installation;

[0027] Collecting heat load data of the server (3) under different working conditions, and calculating the optimal cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) using the Bernoulli equation and the continuity equation based on the heat load, design parameters of the cold channel and the hot channel, as well as the specific heat capacity of air and the expected temperature difference;

[0028] According to the calculation results, the actual sizes of the cold air inlet pipe (8) and the hot air outlet pipe (10) are adjusted to achieve the optimal ratio of cold and hot air flows, thereby ensuring efficient heat dissipation.

[0029] Beneficial effect: The data center cabinet control system can play a role of partitioning between the air inlet side above the cold channel and the air outlet side above the hot channel by setting a barrier cover above the inside of the cabinet. In this way, after the cold air enters the cabinet from above the cold channel, it needs to pass through the server to enter the hot channel, and finally be discharged from above the hot channel. In this way, the hot air in the hot channel in the cold channel can be prevented from entering and mixing the cold and hot air, thereby improving the heat dissipation of the server. In addition, by setting a carbon dioxide fire extinguisher above the carrier board and inside the barrier cover, when a fire occurs inside the cabinet, the smoke generated by the fire can be sensed by the smoke sensor The controller then controls the electric T-type three-way valve to connect the shunt pipe with the connecting pipe, so that the carbon dioxide in the carbon dioxide fire extinguisher can enter the shunt pipe along the connecting pipe, and finally spray into the cabinet from the outlet pipe for automatic fire extinguishing, thereby improving safety and efficient heat dissipation performance: by setting a barrier cover above the cabinet, the cold and hot air flows are effectively isolated, and the mixing of cold and hot air is avoided, ensuring that the cold air must pass through the server for heat exchange before entering the hot channel, thereby maximizing the heat dissipation effect of the server, reducing the risk of server overheating, and extending the service life of the equipment. At the same time, it reduces energy consumption and improves the overall energy efficiency of the data center. Intelligent airflow management: by dynamically calculating the server heat load and the cold and hot channel airflow characteristics, and optimizing the cross-sectional area ratio of the cold air inlet pipe and the hot air outlet pipe based on the physical model, the precise control of the cold and hot air flows is achieved, ensuring the precise match between the airflow ratio and the server heat dissipation requirements, and improving the intelligence level and adaptive ability of the heat dissipation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is an overall schematic diagram of the present invention;

[0031] Figure 2 For the present invention Figure 1 A partial enlarged view of;

[0032] Figure 3 is a schematic cross-sectional view of the barrier cover of the present invention;

[0033] Figure 4 For the present invention Figure 3 A partial enlarged view of B.

[0034] In the figure: 1-cabinet, 2-partition, 3-server, 4-carrier, 5-diverter, 6-exhaust pipe, 7-electric T-type three-way valve, 8-cold air inlet pipe, 9-connecting pipe, 10-hot air exhaust pipe, 11-barrier cover, 12-knob, 13-convex strip, 14-blocking strip, 15-carbon dioxide fire extinguisher, 16-smoke sensor, 17-controller, 18-guide rail, 19-sealing pad, 20-T-type shaft, 21-spring slot, 22-spring, 23-damping block. DETAILED DESCRIPTION

[0035] See also Figure 1-Figure 4 A data center cabinet control system includes a cabinet 1, a partition 2 is fixed at the rear end of the cabinet 1, a server 3 is installed on the upper end of the partition 2, a cold channel is arranged inside the cabinet 1 and on the left side of the partition 2, a hot channel is arranged inside the cabinet 1 and on the right side of the partition 2, a carrier plate 4 is fixed at the rear end of the cabinet 1 and above the partition 2 located at the top, a barrier cover 11 is installed on the upper end of the carrier plate 4, a shunt pipe 5 is arranged inside the cold channel, an exhaust pipe 6 is vertically connected to the right end of the shunt pipe 5, the upper end of the shunt pipe 5 passes through the cabinet 1 and is connected to a cold air inlet pipe 8, a hot air exhaust pipe 10 is fixed to the upper end of the hot channel, and the cold air inlet pipe 8 is externally connected to the air outlet of the air conditioning system The hot air outlet pipe 10 is connected to the fan at the end thereof, and the fan is connected to the air inlet of the air conditioning system, so that the fan draws out the hot air in the hot channel through the hot air outlet pipe 10, and the cold air enters the diversion pipe 5 from the cold air inlet pipe 8, and finally is ejected from the air outlet pipe 6 toward the server 3 on the partition 2. In this way, after the cold air enters the cabinet 1 from above the cold channel, it needs to pass through the server 3 to enter the hot channel, and finally is discharged from above the hot channel. By arranging a barrier cover 11 above the inside of the cabinet 1, it can play a role of partitioning between the air inlet side above the cold channel and the air outlet side above the hot channel, so that the hot air in the hot channel in the cold channel can be prevented from entering and mixing the cold and hot air, thereby improving the heat dissipation of the server 3.

[0036] Guide rails 18 are fixed on both sides of the upper end of the carrier plate 4, and guide grooves are opened on both sides of the lower end of the barrier cover 11. The guide rails 18 are slidably connected with the guide grooves, and the barrier cover 11 can slide forward and out from above the carrier plate 4. At this time, the guide rails 18 and the guide grooves will slide, thereby setting the barrier cover 11 to be movable.

[0037] Sealing gaskets 19 are embedded and fixed on both upper and lower ends and left and right sides of the rear end of the barrier cover 11. The sealing gasket 19 at the rear end is tightly attached to the rear end of the inner wall of the cabinet 1, the sealing gasket 19 at the upper end is tightly attached to the upper end of the inner wall of the cabinet 1, and the sealing gasket 19 at the lower end is tightly attached to the upper end of the carrier plate 4. When the barrier cover 11 slides backward to above the carrier plate 4, the sealing gasket 19 can improve the sealing between the barrier cover 11 and the cabinet 1 and the carrier plate 4.

[0038] The front end of the carrier plate 4 is rotatably connected to a T-shaped shaft 20, and the front end surface of the T-shaped shaft 20 is located in the same plane as the front end surface of the carrier plate 4. A knob 12 is fixed to the front end of the T-shaped shaft 20, and a convex strip 13 is provided at the front end of the knob 12. A blocking strip 14 is fixed to the surface of the knob 12, and the blocking strip 14 is located in front of the blocking cover 11 and is tightly attached to the blocking cover 11. When the blocking cover 11 slides backward to above the carrier plate 4, the knob 12 can be rotated, and the knob 12 is rotated through the T-shaped shaft 20, and at the same time, the blocking strip 14 is driven to move to block in front of the blocking cover 11 and tightly attached to the blocking cover 11, so that the blocking cover 11 can be prevented from moving forward and separated from the cabinet 1.

[0039] The T-shaped rotating shaft 20 is provided with spring grooves 21 opened in the carrier plate 4 on the left and right sides, and a spring 22 is fixed to the bottom of the spring groove 21. A damping block 23 is fixed to the other end of the spring 22. The damping block 23 is in close contact with the surface of the T-shaped rotating shaft 20. By arranging the damping blocks 23 on both sides of the T-shaped rotating shaft 20, the springs 22 can make the damping blocks 23 in close contact with the T-shaped rotating shaft 20, which can increase the rotational friction of the T-shaped rotating shaft 20, thereby preventing the knob 12 and the T-shaped rotating shaft 20 from rotating due to non-human reasons, and improving the stability of the blocking bar 14 blocking the front of the blocking cover 11.

[0040] An electric T-type three-way valve 7 is connected between the shunt pipe 5 and the cold air inlet pipe 8, a carbon dioxide fire extinguisher 15 is installed in the middle of the upper end of the carrier plate 4, and the discharge end of the carbon dioxide fire extinguisher 15 is connected to a connecting pipe 9, the end of the connecting pipe 9 passes through the top of the cabinet 1, and the end of the connecting pipe 9 is connected to the electric T-type three-way valve 7. A smoke sensor 16 is embedded and installed on one side of the lower end of the carrier plate 4, and a controller 17 is fixedly installed on one side of the upper end of the carrier plate 4. The smoke sensor 16 is connected to the controller 17 by signal, and the controller 17 is connected to the electric T-type three-way valve 7 by signal. By arranging the carbon dioxide fire extinguisher 15 above the carrier plate 4 and inside the barrier cover 11, the movable arrangement of the barrier cover 11 is convenient for The carbon dioxide fire extinguisher 15 is inspected and repaired. When a fire occurs inside the cabinet 1, the smoke generated by the fire inside the cabinet 1 is sensed by the smoke sensor 16, and then the smoke sensor 16 transmits a signal to the controller 17. The controller 17 controls the valve ball inside the electric T-type three-way valve 7 to rotate ninety degrees. The T-type channel of the valve ball can also be changed from making the cold air inlet pipe 8 communicate with the shunt pipe 5, and at this time the shunt pipe 5 is not connected to the connecting pipe 9, to making the shunt pipe 5 communicate with the connecting pipe 9, and at this time the shunt pipe 5 is not connected to the cold air inlet pipe 8. In this way, the carbon dioxide in the carbon dioxide fire extinguisher 15 can enter the shunt pipe 5 along the connecting pipe 9, and finally be sprayed into the cabinet 1 from the outlet pipe 6 for automatic fire extinguishing, thereby improving safety.

[0041] The smoke sensor 16, controller 17 and electric T-type three-way valve 7 are all connected to an external power source.

[0042] In order to further optimize the performance of the data center cabinet control system, configure and optimize the hot and cold air flow ratio control:

[0043] The cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) is set to A_cold:A_hot to ensure that the flow velocity ratio of the cold and hot air flows matches the heat dissipation requirements of the server. According to the principles of thermodynamics, a mathematical model can be established to optimize the airflow ratio by calculating the heat load (Q_server) of the server, the air flow rate (V_cold) of the cold channel and the air flow rate (V_hot) of the hot channel, as well as the specific heat capacity (Cp) and temperature difference (ΔT) of the air, to ensure efficient heat exchange and improve heat dissipation efficiency.

[0044] The following are the specific mathematical model construction and optimization details:

[0045] Heat load calculation: First, based on the actual power (P_server) and equipment efficiency (η) of the server (3), the heat load (Q_server) of the server is calculated using the formula Q s erver=P s erver×(1-η), the thermal load assessment includes the average power consumption and peak power fluctuation of the server.

[0046] According to the design of the cold channel and the hot channel, the air flow rate (V_cold, V_hot) of the cold air inlet pipe (8) and the hot air outlet pipe (10) is determined by combining the Bernoulli equation with the continuity equation; the Bernoulli equation expresses the energy conservation of the fluid during the flow process, that is, the sum of the kinetic energy, potential energy and pressure energy of the fluid remains unchanged. The form is:

[0047]

[0048] Where P represents the fluid pressure, ρ is the fluid density, and v is the flow velocity.

[0049] The continuity equation describes that the volume flow rate of the fluid flowing through any cross section remains constant when the fluid has no source and no sink, that is:

[0050] A1v1=A2v2Here, A represents the cross-sectional area of ​​the pipe.

[0051] Server heat load (Q_server): calculated based on the actual power consumption and efficiency of the server.

[0052] Design parameters of hot channel and cold channel: including the cross-sectional area A of the hot air outlet pipe (10) and the cold air inlet pipe (8) hot and A cold .

[0053] Air density (ρ): Under standard atmospheric pressure and room temperature, the density of air is about 1.225 kg / m 3 Initial assumption: Assuming that the pressure difference between the cold channel inlet and the hot channel outlet is small, the potential energy term in the Bernoulli equation can be approximately ignored.

[0054] First, from the continuity equation, we have:

[0055] A cold v cold =A hot v hot

[0056] Since the purpose of the cold aisle is to provide enough cold air to meet the cooling needs of the server, and the hot aisle is to effectively remove hot air, we can determine the cold and hot air flow velocities through the following steps:

[0057] Calculate cooling demand: Based on the server's heat load Q s erver and air specific heat capacity Cp, as well as the desired temperature difference ΔT, calculate the required cooling air flow rate V cold .

[0058] Q s erver=m air CpΔT=ρA cold v cold CpΔT

[0059] The solution is:

[0060]

[0061] Determine the hot gas discharge: hot gas flow V hot Should be at least the cooling air flow V cold , in order to maintain the air pressure balance in the cabinet and effectively dissipate heat.

[0062]

[0063] Among them, the cold channel air flow (V_cold) should match the heat dissipation requirements of the server, and the hot channel air flow (V_hot) must be sufficient to effectively remove hot air and avoid heat accumulation.

[0064] The specific heat capacity of air is usually taken as 1.005 kJ / (kg·K).

[0065] Temperature difference (ΔT): Calculate the average temperature difference between the hot and cold aisles as a key parameter for evaluating heat exchange efficiency. Determine ΔT by measuring or simulating the temperature changes at the inlet and outlet of the hot and cold aisles when the server is working.

[0066] A mathematical model is constructed to optimize the ratio of hot and cold airflows, as follows:

[0067] Among them, Q h ot is the total heat generated by the server, T h ot and T c old are the temperatures of the hot channel outlet and the cold channel entrance, A c old and A h ot are the effective cross-sectional areas of the cold air inlet pipe and the hot air outlet pipe respectively.

[0068] Furthermore, the airflow ratio optimization target is set to ensure that the cold and hot air flows form an optimal flow in the cabinet to improve the heat exchange efficiency.

[0069] Iterative calculation and adjustment: Adopting the iterative method, according to the actual heat load data of the server, gradually adjust the cross-sectional area ratio of the cold and hot airflows, and continuously approach the optimal airflow ratio through simulation software or actual test feedback to maximize the heat dissipation efficiency. In order to ensure the accuracy of the cold and hot airflow ratio control and maximize the heat dissipation efficiency, we can implement the iterative method for optimization using the following specific steps:

[0070] Data collection and preliminary setup:

[0071] First, the actual heat load (Q_server) data of each server (3) under different loads is collected. Considering the possible dynamic load changes of the server, the data should cover the full range from low load to high load. Based on the initial design, the preliminary cross-sectional area ratio (A_cold:A_hot) of the cold air inlet pipe (8) and the hot air outlet pipe (10) is set, and the initial size of the pipe is installed.

[0072] Modeling and Simulation:

[0073] CFD (Computational Fluid Dynamics) software is used to build a three-dimensional model of the interior of the data center cabinet, inputting the actual server layout, hot and cold channel structure, and the initial set pipe size.

[0074] Run simulations to simulate the airflow distribution, temperature field distribution, and heat dissipation of the server under different loads, and record the speed of hot and cold airflows, temperature difference (ΔT), and temperature parameters of key parts of the server.

[0075] Performance evaluation and parameter adjustment:

[0076] Analyze the simulation results, evaluate the heat dissipation efficiency under the current cold and hot air flow ratio, compare the safe operating temperature range of the server, and identify whether there are local overheating areas.

[0077] Based on the evaluation results, calculate the new cross-sectional area ratio of hot and cold airflow to improve the problem of uneven heat dissipation or insufficient efficiency. For example, if heat accumulation is found in the hot aisle, it may be necessary to increase A_hot to speed up the heat discharge; conversely, if the cold air fails to fully cover all servers, consider increasing A_cold.

[0078] Iterative Optimization:

[0079] Implement the adjusted pipe size and repeat steps 2 to 3 for a new round of simulation and evaluation.

[0080] After each round of iteration, the ratio of hot and cold airflow cross-sectional areas is further fine-tuned based on simulation feedback and actual test data until the expected heat dissipation performance indicators are achieved, such as all servers remaining within a safe operating temperature range under full load.

[0081] Implementation phase: Based on the above model, the actual sizes of the cold air inlet pipe (8) and the hot air outlet pipe (10) are adjusted to achieve the calculated optimal cross-sectional area ratio. At the same time, the server working status and the temperature and humidity in the cabinet are monitored to ensure that the cold and hot air flows in a predetermined ratio.

[0082] Verification and optimization: Install temperature and humidity sensors and flow meters to continuously monitor the system operation status and verify the airflow optimization effect. According to the actual monitoring data feedback, fine-tune the airflow ratio and related parameters in a timely manner to ensure that the heat dissipation efficiency of the data center cabinet is always in the optimal state.

[0083] Through the above detailed optimization strategy, the technical solution of this application further improves the heat dissipation efficiency of the data center cabinet on the basis of achieving precise control of cold and hot airflows, ensuring the stable operation of the server and the high efficiency of energy use.

[0084] This application also discloses a data center cabinet control method, and the specific implementation steps are as follows:

[0085] System construction and initialization:

[0086] According to the structural design of the data center cabinet control system, a cabinet body (1) is assembled, a partition (2) is fixed, and a server (3) is installed on the upper end of the partition (2);

[0087] A cold channel and a hot channel are arranged to ensure that the left side of the partition (2) is a cold channel and the right side is a hot channel, and a carrier plate (4) is fixed above the uppermost partition (2);

[0088] A barrier cover (11) is installed on the carrier plate (4), a shunt pipe (5) is installed inside the cold channel, and the right end of the shunt pipe (5) is connected to the exhaust pipe (6);

[0089] Connecting the cold air inlet pipe (8) and the hot air outlet pipe (10) to ensure smooth flow of the cold air inlet system and the hot air outlet system;

[0090] Install the electric T-type three-way valve (7), carbon dioxide fire extinguisher (15), smoke sensor (16), and controller (17) to complete the system hardware installation;

[0091] Collecting heat load data of the server (3) under different working conditions, and calculating the optimal cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) using the Bernoulli equation and the continuity equation based on the heat load, design parameters of the cold channel and the hot channel, as well as the specific heat capacity of air and the expected temperature difference;

[0092] According to the calculation results, the actual sizes of the cold air inlet pipe (8) and the hot air outlet pipe (10) are adjusted to achieve the optimal ratio of cold and hot air flows and ensure efficient heat dissipation;

[0093] Airflow control and regulation:

[0094] Use CFD software to conduct simulation tests to simulate the heat exchange efficiency under different airflow ratios. Based on the simulation results, fine-tune the ratio of hot and cold airflows until the ideal state of maximizing heat dissipation efficiency is achieved.

[0095] The controller (17) is configured to receive the signal of the smoke sensor (16), and optimize the response speed and accuracy of the electric T-type three-way valve (7) through the PID controller to ensure rapid switching to the fire extinguishing gas release mode when a fire warning is issued;

[0096] Security mechanism configuration:

[0097] Adjust the sensitivity of the smoke sensor (16) to ensure that it can accurately sense the smoke at the initial stage of a fire in the cabinet; set the logic of the controller (17) so that once the smoke sensor (16) sounds an alarm, the electric T-type three-way valve (7) is immediately controlled to operate, switching the cold air path to the carbon dioxide fire extinguishing agent release path, while ensuring that the minimum release amount (V_release) of the carbon dioxide fire extinguisher (15) is sufficient to cover the fire source area;

[0098] System performance verification and maintenance:

[0099] Install temperature and humidity sensors and flow meters to continuously monitor the temperature, humidity, and airflow inside the data center cabinets to ensure that the actual operating status is consistent with the design expectations;

[0100] Regularly check the functionality of the barrier cover (11), the sealing gasket (19) and the spring mechanism (including the spring slot 21, the spring 22 and the damping block 23) to ensure the airflow isolation effect and the stability of the barrier cover;

[0101] According to the system operation data, timely fine-tune the airflow ratio and valve response speed parameters to continuously optimize the heat dissipation performance and safety protection level of the data center cabinets;

[0102] Through the above steps, the data center cabinet control method not only achieves efficient heat dissipation, but also significantly enhances the security and flexibility of the system, ensuring the stable operation of the server and the efficient operation and maintenance of the data center.

[0103] The data center cabinet control system and control method of the present invention significantly improve the heat dissipation efficiency and safety of the data center through a series of carefully designed structural components and intelligent control strategies, which are specifically reflected in the following aspects:

[0104] Efficient heat dissipation performance: By setting a barrier cover above the cabinet, the hot and cold air flows are effectively isolated, the mixing of hot and cold air is avoided, and the cold air must pass through the server for heat exchange before entering the hot channel, thereby maximizing the heat dissipation effect of the server, reducing the risk of server overheating, extending the service life of the equipment, and reducing energy consumption, thereby improving the overall energy efficiency of the data center.

[0105] Intelligent airflow management: By dynamically calculating the server heat load and the airflow characteristics of the hot and cold channels, and optimizing the cross-sectional area ratio of the cold air inlet pipe and the hot air outlet pipe based on the physical model, precise control of the cold and hot air flows is achieved, ensuring the precise match between the airflow ratio and the server cooling requirements, and improving the intelligence level and adaptability of the cooling system.

[0106] Enhanced safety protection mechanism: The integrated smoke sensor and automatic fire extinguishing system can respond quickly at the early stage of a fire, automatically switch to fire extinguishing mode through the controller, quickly release carbon dioxide fire extinguishing agent, effectively suppress the fire source, greatly improve the safety factor of the data center, and protect valuable IT assets from fire damage.

[0107] Flexible and convenient maintenance design: The movable design of the barrier cover and the guide rail and guide groove structure on the carrier plate facilitate daily maintenance and rapid response in emergency situations, such as the inspection and replacement of carbon dioxide fire extinguishers. At the same time, the setting of the sealing gasket and spring mechanism enhances the sealing of the system and the stability of the components, ensuring the reliability of long-term operation.

[0108] Continuous optimization and adaptive learning capabilities: Through iterative calculation and adjustment of airflow ratios, combined with CFD simulation and actual test data feedback, the airflow control strategy is continuously optimized, so that the system can dynamically adjust according to the actual operating conditions of the data center, achieve continuous optimization of heat dissipation efficiency, and ensure that the best heat dissipation performance can be maintained under different working conditions.

[0109] In summary, the data center cabinet control system and method provided by the present invention not only significantly improve the heat dissipation efficiency and system safety, but also realize efficient, flexible and sustainably optimized heat dissipation management through intelligent and adaptive control strategies, providing strong guarantees for the stable operation of the data center and conforming to the development trend of high efficiency and low energy consumption of data centers.

Claims

1. A data center cabinet control system, comprising a cabinet body (1), a partition (2) being fixed at the rear end of the cabinet body (1), and a server (3) being installed at the upper end of the partition (2), characterized in that: A cold channel is provided inside the cabinet (1) and located on the left side of the partition (2); a hot channel is provided inside the cabinet (1) and located on the right side of the partition (2); a carrier plate (4) is fixed above the partition (2) at the rear end of the cabinet (1) and located at the top; a barrier cover (11) is installed at the upper end of the carrier plate (4); the barrier cover (11) can play a role in separating the air inlet side above the cold channel and the air outlet side above the hot channel; a shunt pipe (5) is provided inside the cold channel; an exhaust pipe (6) is vertically connected to the right end of the shunt pipe (5); the upper end of the shunt pipe (5) passes through the cabinet (1) and is connected to a cold air inlet pipe (8); a hot air exhaust pipe (10) is fixedly passed through the upper end of the hot channel; The cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) is set to A_cold:A_hot to ensure that the flow velocity ratio of the cold and hot air flows matches the heat dissipation demand of the server; by calculating the heat load Q_server of the server, the air flow rate V_cold of the cold channel and the air flow rate V_hot of the hot channel, as well as the specific heat capacity Cp and the temperature difference ΔT of the air, a mathematical model is established to optimize the air flow ratio to set the cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) to A_cold:A_hot; An electric T-shaped three-way valve (7) is connected between the diversion pipe (5) and the cold air inlet pipe (8); a carbon dioxide fire extinguisher (15) is installed in the middle of the upper end of the carrier plate (4); a connecting pipe (9) is connected to the discharge end of the carbon dioxide fire extinguisher (15); the end of the connecting pipe (9) passes through the top of the cabinet (1); and the end of the connecting pipe (9) is connected to the electric T-shaped three-way valve (7).

2. The data center cabinet control system according to claim 1, characterized in that: A smoke sensor (16) is embedded and mounted on one side of the lower end of the carrier plate (4), and a controller (17) is fixedly mounted on one side of the upper end of the carrier plate (4); the smoke sensor (16) is signal-connected to the controller (17), and the controller (17) is signal-connected to the electric T-type three-way valve (7).

3. The data center cabinet control system according to claim 1, characterized in that: Guide rails (18) are fixed on both left and right sides of the upper end of the carrier plate (4), and guide grooves are formed on both left and right sides of the lower end of the barrier cover (11), and the guide rails (18) are slidably connected to the guide grooves.

4. The data center cabinet control system according to claim 1, characterized in that: Sealing pads (19) are embedded and fixed at both upper and lower ends and left and right sides of the rear end of the barrier cover (11); the sealing pad (19) at the rear end is in close contact with the rear end of the inner wall of the cabinet (1); the sealing pad (19) at the upper end is in close contact with the upper end of the inner wall of the cabinet (1); and the sealing pad (19) at the lower end is in close contact with the upper end of the carrier plate (4).

5. The data center cabinet control system according to claim 1, characterized in that: The front end of the carrier plate (4) is rotatably connected to a T-shaped rotating shaft (20); the front end surface of the T-shaped rotating shaft (20) and the front end surface of the carrier plate (4) are located in the same plane; a knob (12) is fixed to the front end of the T-shaped rotating shaft (20); a convex strip (13) is provided at the front end of the knob (12); a blocking strip (14) is fixed to the surface of the knob (12); the blocking strip (14) is located in front of the blocking cover (11) and is in close contact with the blocking cover (11).

6. The data center cabinet control system according to claim 5, characterized in that: The left and right sides of the T-shaped rotating shaft (20) are provided with spring grooves (21) opened in the carrier plate (4), a spring (22) is fixed at the bottom of the spring groove (21), a damping block (23) is fixed at the other end of the spring (22), and the damping block (23) is in close contact with the surface of the T-shaped rotating shaft (20).

7. A control method for a data center cabinet control system according to any one of claims 1 to 6, characterized in that: include: Assembling a cabinet (1), fixing a partition (2), and installing a server (3) on the upper end of the partition (2); Set up a cold channel and a hot channel, ensure that the left side of the partition (2) is a cold channel and the right side is a hot channel, and fix the carrier plate (4) above the uppermost partition (2); Install a barrier cover (11) on the carrier plate (4), install a shunt pipe (5) inside the cold channel, and connect the right end of the shunt pipe (5) to the exhaust pipe (6); Connecting the cold air inlet pipe (8) and the hot air outlet pipe (10) to ensure smooth flow of the cold air inlet system and the hot air outlet system; Install the electric T-type three-way valve (7), carbon dioxide fire extinguisher (15), smoke sensor (16), and controller (17) to complete the system hardware installation; Collecting heat load data of the server (3) under different working conditions, and calculating the optimal cross-sectional area ratio of the cold air inlet pipe (8) and the hot air outlet pipe (10) using the Bernoulli equation and the continuity equation based on the heat load, design parameters of the cold channel and the hot channel, as well as the specific heat capacity of air and the expected temperature difference; According to the calculation results, the actual sizes of the cold air inlet pipe (8) and the hot air outlet pipe (10) are adjusted to achieve an optimal ratio of cold and hot air flows, thereby ensuring efficient heat dissipation.

Images