A high-heat-density cabinet air supply regulation and heat dissipation method, system, device and medium

Abstract

This invention relates to the field of data center thermal management technology, and more particularly to a method, system, device, and medium for regulating airflow and heat dissipation in high heat density server racks. It includes: real-time monitoring of the outlet temperature of the target server; comparing the monitored temperature with a preset target temperature, and calculating the required airflow adjustment amount through a control algorithm; and synchronously adjusting the airflow of the air supply duct and the rotation speed of the forced exhaust device based on the calculation results. By using the server outlet temperature as a single feedback variable and simultaneously adjusting the airflow regulation device of the air supply duct and the rotation speed of the forced exhaust device, synchronous linkage control between the air supply and exhaust ends is achieved. This ensures precise matching of heat dissipation intensity with the real-time heat load of the equipment, avoids the response lag problem of single actuator adjustment, and significantly improves control accuracy.

Description

Technical Field

[0001] This invention relates to the field of data center thermal management technology, and in particular to a method, system, equipment and medium for regulating the air supply and heat dissipation of high heat density server racks. Background Technology

[0002] With the rapid development of cloud computing and artificial intelligence, the power density of a single data center rack has climbed to over 20kW, making localized hotspots increasingly prominent. Existing room-level or row-level air conditioning systems have long air supply paths and are prone to short circuits, making it impossible to finely adjust for specific servers within a single rack, resulting in both "over-cooling" and "under-cooling" problems. Existing PID-based thermal control schemes all use the server outlet temperature as a single feedback variable, adjusting only a single actuator (fan speed or valve opening), which is a single-input, single-output closed-loop control. This fails to achieve synchronous linkage and coordination between the supply and exhaust ends, leading to lag in thermal response, insufficient control precision, and difficulty in effectively coping with the dynamic thermal demands of rapidly changing power in high-heat-density servers. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a method, system, device and medium for regulating the air supply and heat dissipation of a high heat density cabinet, so as to solve the problems of lag in the response of single variable single actuator regulation and insufficient control precision in the prior art, and to enable fine regulation for a single server, adaptively match heat load changes and accurately eliminate local hot spots.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: In a first aspect, the present invention provides a method for regulating and dissipating heat in a high heat density server rack, comprising: Real-time monitoring of the target server's air outlet temperature; The monitored temperature is compared with the preset target temperature, and the required airflow adjustment is calculated through a control algorithm. Based on the calculation results, the air volume of the air supply guide pipe and the rotation speed of the forced exhaust device are adjusted synchronously.

[0005] Based on the above technical solution, the present invention can be further improved as follows.

[0006] Furthermore, the comparison of the monitored temperature with the preset target temperature includes: The temperature deviation is calculated using temperature data from the preset target temperature and the monitored temperature.

[0007] Furthermore, the calculation of the required airflow adjustment amount through the control algorithm includes: The temperature deviation is calculated based on a preset control algorithm to determine the required airflow adjustment and output a control signal.

[0008] Furthermore, the step of synchronously adjusting the air volume of the air supply guide pipe and the rotation speed of the forced exhaust device based on the calculation results includes: When the monitored temperature is higher than the preset target temperature, the opening of the air volume regulating device of the air supply guide pipe is increased to increase the air supply volume, and the speed of the forced exhaust device is increased to increase the exhaust volume. When the monitored temperature is lower than the preset target temperature, the opening of the air volume regulating device of the air supply guide pipe is reduced to reduce the air supply volume, and the speed of the forced exhaust device is reduced to reduce the exhaust volume.

[0009] Furthermore, the output control signal is a pulse width modulation signal or an analog signal.

[0010] Secondly, the present invention provides a high heat density cabinet air supply and cooling system, comprising: A temperature sensor is installed on the air outlet side of the target server to monitor the air outlet temperature of the target server in real time. An air volume regulating device is installed on the air supply guide pipe; Forced ventilation system, located on the exhaust side of the cabinet; The controller is electrically connected to the temperature sensor, the air volume regulating device, and the forced ventilation device, respectively. The controller is used to compare the monitored temperature with the preset target temperature, calculate the required air volume regulation amount through the control algorithm, and synchronously adjust the air volume of the air volume regulating device and the rotation speed of the forced ventilation device according to the calculation result.

[0011] Furthermore, the air volume regulating device is an electric air valve or a speed-regulating fan; the forced exhaust device is an axial flow fan.

[0012] Furthermore, the inlet end of the air supply guide pipe is connected to the air outlet of the computer room air conditioner or an independent cold source, and the outlet end is provided with an adjustable air outlet, which is aimed at the air intake side of the target server; the forced exhaust device is located on the upper part of the rear door of the cabinet or on the top of the cabinet.

[0013] Thirdly, the present invention provides a computer device, comprising: Memory and processor; The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, they implement the steps of a high heat density cabinet air supply regulation and heat dissipation method.

[0014] Fourthly, the present invention provides a computer-readable storage medium storing computer-executable instructions that, when executed by a processor, implement the steps of the high heat density cabinet air supply regulation and heat dissipation method.

[0015] The advantages of the embodiments of this application compared to the prior art are as follows: Synergistic linkage and dynamic matching: By using the server's air outlet temperature as a single feedback variable, and simultaneously adjusting the airflow regulating device of the air supply guide pipe and the rotation speed of the forced exhaust device, synchronous linkage control between the air supply end and the exhaust end is achieved. This ensures that the heat dissipation intensity is precisely matched with the real-time heat load of the equipment, avoids the response lag problem of single actuator adjustment, and significantly improves control accuracy.

[0016] Closed-loop control for precise energy saving: The PID closed-loop control algorithm can adaptively eliminate steady-state errors, keeping the server's exhaust temperature stable near the target value. This effectively avoids energy waste caused by over-cooling, achieving energy saving and consumption reduction while ensuring equipment safety.

[0017] Highly targeted and flexible in deployment: The control method of this invention can be deployed independently for a single server or a single rack without modifying the overall air conditioning system of the data center, making it particularly suitable for the precise management of local hotspots in old data centers. Attached Figure Description

[0018] Figure 1 This is a flowchart illustrating a high heat density server rack airflow regulation and heat dissipation method. Figure 2 This is a schematic diagram illustrating the application of a high heat density cabinet airflow regulation and heat dissipation method in a high heat density cabinet. Figure 3 A three-dimensional diagram of a cabinet involved in a high heat density cabinet air supply regulation and heat dissipation method; Figure 4 Cross-sectional view of connecting pipe I, spring and connecting pipe II of the cabinet door in a high heat density cabinet air supply regulation and heat dissipation method; Figure 5 This is a schematic diagram of the electronic device of the present invention. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings. In the description of the present invention, unless otherwise stated, " / " indicates that the objects before and after are in an "or" relationship. For example, A / B can represent A or B. The "or" in the present invention is merely a description of the relationship between the related objects, indicating that three relationships can exist. For example, A or B can represent: A alone, A and B simultaneously, and B alone. A and B can be singular or plural. Furthermore, in the description of the present invention, unless otherwise stated, "multiple" refers to two or more. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items.

[0020] Furthermore, to facilitate a clear description of the technical solutions of the embodiments of the present invention, the terms "first" and "second" are used in the embodiments of the present invention to distinguish identical or similar items with essentially the same function and effect. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and that the terms "first" and "second" are not necessarily different.

[0021] In this embodiment of the invention, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" or "for example" in this embodiment of the invention should not be construed as superior or more advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner for ease of understanding.

[0022] Example 1, such as Figure 1 As shown in the figure, an embodiment of the present invention provides a method for regulating and dissipating heat in a high heat density server rack, comprising: S1: Real-time monitoring of the air outlet temperature of the target server. Specifically, temperature sensors (such as PT100 thermocouples or digital temperature sensors) are placed on the air outlet side of the target server or near key heat-generating components to continuously collect temperature data T1 at a set frequency (such as 1Hz).

[0023] S2: The monitored temperature is compared with the preset target temperature, and the required airflow adjustment is calculated using a control algorithm. The controller compares T1 with the preset target temperature T0 (usually set between 35℃ and 40℃, determined according to the server's allowable operating temperature range) and calculates the temperature deviation e = T0 - T1. Based on the preset control algorithm, the controller calculates the deviation e to determine the required airflow adjustment. In this embodiment, the control algorithm is preferably a proportional-integral-derivative (PID) control algorithm. It should be noted that the formula for calculating the output U(t) is: U(t) = K p ·e(t)+K i ·∫e(t)dt+K d ·de(t) / d t Among them, K p K i K d These are the proportional coefficient, integral coefficient, and derivative coefficient, respectively, which are pre-calibrated using engineering tuning methods (such as the Ziegler-Nichols method). The output U(t) is converted into an actuator control signal (e.g., a pulse width modulation signal: PWM duty cycle signal, or an analog signal: 4-20mA analog signal).

[0024] S3: Based on the calculation results, the air volume of the air supply guide duct and the speed of the forced exhaust device are adjusted synchronously. The controller outputs the calculated control signal synchronously to the air volume regulating device (such as an electric air valve or a speed-adjustable air supply fan) and the forced exhaust device (such as an axial flow fan) on the air supply guide duct.

[0025] Specifically, when T1 is greater than T0 (i.e., e is negative), the opening of the air volume regulating device is increased to increase the air supply volume, and the rotation speed of the forced exhaust device is increased to increase the exhaust volume; when T1 is less than T0 (i.e., e is positive), the air supply volume and exhaust volume are decreased accordingly; when T1 equals T0, the current opening and rotation speed are maintained. Through the synchronous adjustment of the air supply volume and exhaust volume, the server outlet air temperature converges to near the target value, forming a closed-loop stable control.

[0026] In an optional embodiment, the control algorithm may also employ fuzzy PID control or self-tuning PID control to adapt to changes in the thermal characteristics of different servers.

[0027] It should be noted that the embodiments of this application realize synchronous closed-loop control between the air supply end and the exhaust end; using the target server's air outlet temperature as the sole feedback variable, after calculation by PID and other control algorithms, control signals are simultaneously output to the airflow adjustment device and the forced exhaust device on the air supply guide duct, achieving coordinated dynamic matching of air supply and exhaust volumes; when the temperature rises, the air supply and exhaust volumes increase synchronously, and when the temperature decreases, they decrease synchronously, forming a combined pushing and sucking effect, solving the problems of lag in adjustment response and insufficient control accuracy of existing single actuators. Furthermore, when this invention is applied to a cabinet with a closed airflow channel, the sensor feedback value is not affected by the mixing of hot and cold air, further improving control accuracy.

[0028] In some embodiments, such as Figure 2 As shown, in the server rack where hotspots occur, an air supply duct (flexible duct) is installed. Its inlet is connected to the top-mounted air conditioning outlet via an adapter, and the outlet is fitted with an adjustable nozzle aimed at the air intake of the high-heat server (such as a GPU server). An axial fan (forced exhaust system) is installed on the upper part of the rear door of the server rack. A PT100 temperature sensor is placed at the server's air outlet. The controller uses an embedded PID controller (such as an STM32 series microcontroller). The specific implementation method is as follows: Set the target temperature T0 = 35℃. The temperature sensor collects T1 at a frequency of 1Hz.

[0029] The controller calculates the deviation e = 35 - T1.

[0030] The controller executes the PID algorithm: proportional coefficient K p =2.5, integral coefficient K i =0.1, differential coefficient K d=0.05 (obtained through engineering tuning). The output quantity U(t) ranges from 0 to 100%.

[0031] U(t) is converted into a PWM signal and output to the electric air valve (0-100% opening corresponds to PWM duty cycle 0%-100%) and axial flow fan (0-100% speed corresponds to PWM duty cycle 0%-100%) on the air supply guide pipe.

[0032] When T1 = 38℃ (e = -3℃), U(t) increases to 75%, the damper opening increases to 75%, the fan speed increases to 75%, the cold air volume increases, and the hot air discharge accelerates. When T1 drops to 35℃, U(t) returns to about 45%, and the system stabilizes.

[0033] Actual measurements show that when the heat load fluctuates by 20kW (±30%), the server outlet air temperature can be kept stable within the range of 35±0.8℃, with a response time of less than 10 seconds. Compared with the traditional single adjustment scheme, the overshoot is reduced by about 40%.

[0034] It should be noted that the embodiments of this application are based on PID control algorithm and conventional electromechanical actuators (temperature sensor, electric damper, axial fan, controller). All hardware are industrial standard parts, and the software algorithm can be implemented using a general embedded PID library. According to the measured data of the embodiments of this application, the server outlet air temperature can be stabilized at 35±0.8℃ under a 20kW heat load, the response time is less than 10 seconds, and the overshoot is reduced by about 40%, with a clear and controllable effect.

[0035] In some embodiments, taking the application of a high heat density cabinet air supply regulation and heat dissipation method combined with the linkage control of a sealed cabinet structure provided in this specification as an example, the high heat density cabinet air supply regulation and heat dissipation method will be further described, such as... Figure 3 As shown, it specifically includes: The air supply duct connects to the connecting pipe on the top cover of the server rack. Cool air enters the front space of the rack through the channel between upper baffle I and upper baffle II, and is then drawn in by the servers; hot air is exhausted from the rear through a forced exhaust system. Because the cool air delivery path is completely enclosed, the temperature values ​​collected by the sensors accurately reflect the actual heat dissipation status of the servers, avoiding interference from the mixing of hot and cold air on the feedback signal. The PID control parameters can be further optimized (K... p (The temperature can be appropriately reduced), resulting in higher system stability. Under the same heat load fluctuations, the temperature control accuracy can reach ±0.5℃.

[0036] In some embodiments, taking the application of the direct hot air exhaust and energy-saving mode of a high heat density cabinet air supply regulation and heat dissipation method provided in this specification as an example, the high heat density cabinet air supply regulation and heat dissipation method is further described, specifically including: A sealed duct is installed at the outlet of the axial fan to directly exhaust hot air to the outside of the building. This allows the server room ambient temperature to be set higher (e.g., 28°C instead of the original 22°C), significantly reducing the load on the air conditioning system. An "energy-saving mode" option is added to the controller: when the ambient temperature is below a set threshold (e.g., 25°C), the air supply volume is reduced, relying solely on natural cooling and forced exhaust to maintain the server temperature, further reducing energy consumption. It should be noted that this mode is suitable for scenarios with extremely high heat levels where indoor circulation is not advisable.

[0037] In some embodiments, air-water heat exchangers can also be installed in closed ducts. The heat from exhaust air can be recovered for the production of domestic hot water or auxiliary heating, improving the energy efficiency of the data center.

[0038] It should be noted that, compared with the prior art, the embodiments of this application achieve synchronous and coordinated closed-loop control of the air supply and exhaust ends: using the target server's air outlet temperature as the sole feedback variable, after calculation by PID and other control algorithms, control signals are simultaneously output to the airflow adjustment device and the forced exhaust device on the air supply guide duct, realizing coordinated dynamic matching of air supply and exhaust volumes; when the temperature rises, the air supply and exhaust volumes increase synchronously, and when the temperature decreases, they decrease synchronously, forming a combined pushing and sucking effect, solving the problems of lagging response and insufficient control accuracy of existing single actuator adjustments. Furthermore, when the embodiments of this application are applied to cabinets with enclosed airflow channels, the sensor feedback values ​​are not affected by the mixing of hot and cold air, further improving control accuracy.

[0039] Example 2 provides a high heat density cabinet airflow control and heat dissipation system, including: The air supply guide pipe has its inlet end connected to the air outlet of the computer room air conditioner or an independent cold source, and its outlet end is equipped with an adjustable air outlet (such as a universal nozzle) that is aimed at the air intake side of the target server. An air volume regulating device is installed on the air supply guide pipe, preferably an electric air valve or a speed-regulating fan; Forced exhaust system, located on the exhaust side of the cabinet (such as the upper part of the rear door or the top of the cabinet), preferably an axial flow fan; A temperature sensor is installed on the air outlet side of the target server to monitor the air outlet temperature of the target server in real time. The controller is electrically connected to the temperature sensor, the air volume regulating device, and the forced ventilation device, respectively. The controller is used to compare the monitored temperature with the preset target temperature, calculate the required air volume regulation amount through the control algorithm, and synchronously adjust the air volume of the air volume regulating device and the rotation speed of the forced ventilation device according to the calculation result.

[0040] Furthermore, the outlet of the forced ventilation device is connected to the outside of the machine room or a heat recovery system through a closed pipe to achieve physical isolation of heat.

[0041] It should be noted that the entire system can be modularly added to existing data center racks without modifying the original air conditioning infrastructure of the computer room. Only the air supply guide pipe, exhaust device and controller need to be installed in the target rack. The modification of a single rack can be completed in half a day. Compared with the cost of adding rack-level precision air conditioning, the embodiment of this application achieves the technical effect of reducing material costs.

[0042] The above embodiments all achieve synchronous linkage control of air supply and exhaust, which solves the shortcomings of single-variable single-actuator regulation in the prior art and has significant industrial applicability.

[0043] In some embodiments, the system further includes a rack assembly. For example... Figure 4 As shown, Figure 4 This is a sectional view of the connecting pipe I, the circular spring, and the connecting pipe II of the cabinet door. The cabinet assembly includes the cabinet body, the cabinet top cover, and the cabinet door. The cabinet top cover is equipped with connecting pipes, and the cabinet door has a retractable connecting sleeve that can seal and connect with the connecting pipes to form an independent airflow channel.

[0044] Example 3: In some embodiments, the high heat density cabinet air supply and cooling system of the present invention can be implemented by a combination of hardware and software. As an example, the high heat density cabinet air supply and cooling system of the present invention can be a processor in the form of a hardware decoding processor, which is programmed to execute the high heat density cabinet air supply and cooling method of the present invention. For example, the processor in the form of a hardware decoding processor can be one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), or other electronic components.

[0045] The modules described in the embodiments of this invention can be implemented in software or hardware. The names of the modules are not, in some cases, limiting the scope of the module itself.

[0046] An electronic device according to an embodiment of the present invention includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements any of the above-mentioned methods for regulating and dissipating heat in a high heat density cabinet. That is, an electronic device according to an embodiment of the present invention may include, but is not limited to: a processor and a memory; the memory is used to store the computer program; the processor is used to execute a method for regulating and dissipating heat in a high heat density cabinet according to any embodiment of the present invention by calling the computer program.

[0047] In one alternative embodiment, an electronic device is provided, such as Figure 5 As shown, Figure 5 The illustrated electronic device 4000 includes a processor 4001 and a memory 4003. The processor 4001 and the memory 4003 are connected, for example, via a bus 4002. Optionally, the electronic device 4000 may further include a transceiver 4004, which can be used for data interaction between the electronic device and other electronic devices, such as sending and / or receiving data. It should be noted that in practical applications, the transceiver 4004 is not limited to one type, and the structure of the electronic device 4000 does not constitute a limitation on the embodiments of the present invention.

[0048] Processor 4001 may be a CPU (Central Processing Unit), a general-purpose processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute the various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this invention. Processor 4001 may also be a combination that implements computational functions, such as including one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc.

[0049] Bus 4002 may include a path for transmitting information between the aforementioned components. Bus 4002 may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. Bus 4002 can be divided into address bus, data bus, control bus, etc. For ease of representation, Figure 5The bus 4002 is represented by only one thick line, but this does not mean that there is only one bus or one type of bus.

[0050] The memory 4003 may be ROM (Read Only Memory) or other types of static storage devices capable of storing static information and instructions, RAM (Random Access Memory) or other types of dynamic storage devices capable of storing information and instructions, or EEPROM (Electrically Erasable Programmable Read Only Memory), CD-ROM (Compact Disc Read Only Memory) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer, but not limited thereto.

[0051] The memory 4003 stores application code (computer program) for executing the present invention, and its execution is controlled by the processor 4001. The processor 4001 executes the application code stored in the memory 4003 to implement the content shown in the foregoing method embodiments.

[0052] Among them, electronic devices can also be terminal devices, which can be any device that can install applications, including at least one of smartphones, tablets, laptops, desktop computers, smart speakers, smartwatches, smart TVs, and smart in-vehicle devices.

[0053] It should be noted that, Figure 5 The electronic device shown is merely an example and should not be construed as limiting the functionality and scope of use of the embodiments of the present invention.

[0054] An embodiment of the present invention provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements any one of the above-mentioned methods for regulating and dissipating heat in a high heat density cabinet.

[0055] Alternatively, the computer-readable storage medium may be a read-only memory (ROM), a random access memory (RAM), a compact disc read-only memory (CD-ROM), magnetic tape, a floppy disk, and an optical data storage device, etc.

[0056] In an exemplary embodiment, a computer program product or computer program is also provided, which includes computer instructions stored in a computer-readable storage medium. A processor of an electronic device reads the computer instructions from the computer-readable storage medium and executes the computer instructions, causing the electronic device to perform the aforementioned high-heat-density cabinet airflow regulation and heat dissipation method.

[0057] Computer program code for performing the operations of this invention can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, and C++, and conventional procedural programming languages ​​such as C or similar languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a standalone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving remote computers, the remote computer can be connected to the user's computer via any type of network—including a local area network (LAN) or a wide area network (WAN)—or can be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0058] It should be understood that the flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of methods and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions indicated in the blocks may occur in a different order than those indicated in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented using a dedicated hardware-based system that performs the specified function or operation, or using a combination of dedicated hardware and computer instructions.

[0059] The computer-readable storage medium provided in this invention can be, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of a computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EEPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. In this invention, a computer-readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

[0060] The aforementioned computer-readable storage medium carries one or more programs, which, when executed by the electronic device, cause the electronic device to perform the method shown in the above embodiments.

[0061] The above description is merely a preferred embodiment of the present invention and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of disclosure in this invention is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-disclosed concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this invention.

[0062] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and represent a limitation on a specific order or sequence. Where appropriate, the order of use for similar objects can be interchanged so that the embodiments of this application described herein can be implemented in an order other than that shown or described.

[0063] Those skilled in the art will recognize that this invention can be implemented as a system, method, or computer program product. Therefore, this invention can be specifically implemented in the following forms: it can be entirely hardware, entirely software (including firmware, resident software, microcode, etc.), or a combination of hardware and software, generally referred to herein as a "circuit," "module," or "system." Furthermore, in some embodiments, this invention can also be implemented as a computer program product contained in one or more computer-readable media, which includes computer-readable program code.

[0064] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A method for regulating and dissipating heat from airflow in a high heat density server rack, characterized in that, include: Real-time monitoring of the target server's air outlet temperature; The monitored temperature is compared with the preset target temperature, and the required airflow adjustment is calculated through a control algorithm. Based on the calculation results, the air volume of the air supply guide pipe and the rotation speed of the forced exhaust device are adjusted synchronously.

2. The high heat density cabinet air supply and heat dissipation method according to claim 1, characterized in that, The comparison of the monitored temperature with the preset target temperature includes: The temperature deviation is calculated using temperature data from the preset target temperature and the monitored temperature.

3. The high heat density cabinet air supply and heat dissipation method according to claim 2, characterized in that, The calculation of the required airflow adjustment amount through the control algorithm includes: The temperature deviation is calculated based on a preset control algorithm to determine the required airflow adjustment and output a control signal.

4. The high heat density cabinet air supply and heat dissipation method according to claim 1, characterized in that, The step of synchronously adjusting the air volume of the air supply guide pipe and the rotation speed of the forced exhaust device based on the calculation results includes: When the monitored temperature is higher than the preset target temperature, the opening of the air volume regulating device of the air supply guide pipe is increased to increase the air supply volume, and the speed of the forced exhaust device is increased to increase the exhaust volume. When the monitored temperature is lower than the preset target temperature, the opening of the air volume regulating device of the air supply guide pipe is reduced to reduce the air supply volume, and the speed of the forced exhaust device is reduced to reduce the exhaust volume.

5. A method for regulating and dissipating heat in a high heat density server rack according to claim 3, characterized in that, The output control signal is a pulse width modulation signal or an analog signal.

6. A high heat density cabinet air supply and cooling system, applied to the method of any one of claims 1-5, characterized in that, include: A temperature sensor is installed on the air outlet side of the target server to monitor the air outlet temperature of the target server in real time. An air volume regulating device is installed on the air supply guide pipe; Forced ventilation system, located on the exhaust side of the cabinet; The controller is electrically connected to the temperature sensor, the air volume regulating device, and the forced ventilation device, respectively. The controller is used to compare the monitored temperature with the preset target temperature, calculate the required air volume regulation amount through the control algorithm, and synchronously adjust the air volume of the air volume regulating device and the rotation speed of the forced ventilation device according to the calculation result.

7. A high heat density cabinet air supply and cooling system according to claim 6, characterized in that, The air volume regulating device is an electric air valve or a speed-regulating fan; The forced ventilation device is an axial flow fan.

8. A high heat density cabinet air supply and cooling system according to claim 6, characterized in that, The inlet end of the air supply guide pipe is connected to the air outlet of the computer room air conditioner or an independent cold source, and the outlet end is equipped with an adjustable air outlet, which is aimed at the air intake side of the target server; the forced exhaust device is located on the upper part of the rear door of the cabinet or on the top of the cabinet.

9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that, When the processor executes the computer program, it implements the steps of the method according to any one of claims 1 to 5.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 5.

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