Computer equipment with self-adaptive heat dissipation adjustment function

Abstract

The invention belongs to the technical field of computers, and particularly relates to self-adaptive cooling adjustment computer equipment which comprises a case and a side cover, an air outlet is formed in the rear end of the case, an air inlet is formed in the side cover, a cooling fan is arranged in the case and mounted on a mainboard of the computer equipment, the air outlet side of the cooling fan faces the air outlet, and the air outlet side of the cooling fan faces the air inlet. And an executing mechanism controlled by the control system is further arranged at the air inlet and used for adjusting the exposure state of the air inlet. According to the computer case, the temperature in the computer case is monitored through the control system, the heat dissipation state of the heat dissipation fan and the exposure state of the air inlet can be dynamically adjusted according to the actual heat dissipation requirement of computer equipment, and when the heat dissipation requirement is large, the exposure state of the air inlet is increased, and heat dissipation is accelerated; when the heat dissipation requirement is small, the exposure state of the air inlet is reduced, dust entering is reduced, the heat dissipation efficiency can be effectively improved through the self-adaptive heat dissipation mode, and it is guaranteed that computer equipment can stably operate under different loads.

Description

Technical Field

[0001] The present invention relates to the field of computer technology, and in particular to a computer device with adaptive heat dissipation adjustment. Background Art

[0002] With the rapid development of computer technology, the performance of computer equipment continues to improve, and the computing power of core components such as CPUs and GPUs is becoming increasingly powerful. However, high-performance computing often generates a large amount of heat. If heat is not dissipated promptly and effectively, the internal temperature of the computer equipment will overheat, affecting its performance and stability. For example, excessively high temperatures may cause the CPU to throttle, causing the computer to run slower, or even cause hardware damage, shortening the lifespan of the computer equipment.

[0003] Traditional computer cooling methods typically use fixed-speed fans. Their cooling capacity is fixed and cannot be dynamically adjusted to the actual cooling needs of the computer. When the computer is running at low load, the fixed-speed fan continues to run at a high speed, wasting energy and generating considerable noise. However, when the computer is running at high load, the fixed-speed fan may not provide sufficient cooling capacity, causing the internal temperature of the computer to overheat.

[0004] In addition, during the heat dissipation process, traditional heat dissipation methods will allow a large amount of dust to enter the computer case through the air inlet. The accumulation of dust will affect the heat dissipation effect and may also cause damage to the hardware of the computer equipment, such as causing circuit short circuits and other problems. Summary of the Invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a computer device with adaptive heat dissipation adjustment.

[0006] The present invention proposes a computer device with adaptive heat dissipation adjustment, including a chassis and a side cover, wherein an air outlet is provided at the rear end of the chassis, an air inlet is provided on the side cover, a heat dissipation fan is provided in the chassis, the heat dissipation fan is mounted on the motherboard of the computer device, and the air outlet side of the heat dissipation fan faces the air outlet, and an actuator controlled by a control system is also provided at the air inlet, and the actuator is used to adjust the exposure state of the air inlet; the temperature in the chassis is monitored by the control system to adjust the heat dissipation state of the heat dissipation fan, and then the exposure state of the air inlet is controlled by the actuator. When the heat dissipation demand is large, the exposure state of the air inlet is increased, thereby accelerating the heat dissipation; when the heat dissipation demand is small, the exposure state of the air inlet is reduced, thereby reducing the entry of dust, thereby effectively reducing the overall entry of dust from the air inlet into the chassis.

[0007] Preferably, the actuator includes a sealing plate arranged in the air inlet, a positioning sleeve that is detachably fixed to the side cover is arranged inside the chassis, an airbag is fixedly connected inside the positioning sleeve, the free end of the airbag is fixedly connected to the sealing plate, and a micro pump is connected to the air inlet of the airbag through a connecting pipe, and an electromagnetic valve is installed on the connecting pipe; when the micro pump and the electromagnetic valve receive instructions from the control system, they will turn on, and then the micro pump will inflate or exhaust the airbag through the connecting pipe, thereby controlling the expansion or contraction of the airbag, and the sealing plate can be driven by the airbag to move accordingly to control the exposure state of the air inlet.

[0008] Preferably, the end of the positioning sleeve away from the sealing plate is fixedly connected to a disc-shaped frame, and a plurality of bolts distributed in a circular array are inserted on the disc-shaped frame, and a plurality of positioning cylinders threadedly connected to the corresponding bolts are installed on the side cover; the bolts are inserted into the mounting holes of the disc-shaped frame, and then the bolts are aligned with the corresponding positioning cylinders, and then the bolts are tightened, so that the actuator can be quickly installed and easy to disassemble.

[0009] Preferably, the micro pump is fixedly connected to the disc-shaped frame.

[0010] Preferably, the control system includes an actuator state detection module, an environmental parameter detection module and a control module. The actuator state detection module is used to detect the internal pressure value P and radial deformation ΔD of the airbag in real time. The environmental parameter detection module includes a temperature detection unit and an airflow detection unit. The temperature detection unit is used to detect the temperature T of the CPU / GPU, the motherboard chipset and the power module in real time. The airflow detection unit is used to detect the airflow velocity V of each air outlet and the intersection of key flow channels in the chassis in real time. The control module receives the data collected by the environmental parameter detection module and the actuator state detection module in real time, performs a comprehensive analysis, and then generates an evaluation coefficient. By comparing the evaluation coefficient with a pre-set evaluation coefficient reference threshold, it is determined whether the current exposure state of the air inlet is within a reasonable range, and the working state of the actuator is controlled according to the comparison result. If the current exposure state of the air inlet is not within a reasonable range, the actuator will automatically adjust the current exposure state of the air inlet.

[0011] Preferably, the control module is integrated on the mainboard, the actuator status detection module is installed on the airbag, the temperature detection unit is installed at the heat dissipation fan outlet, the mainboard chipset surface and the power module air inlet, and the airflow detection unit is installed at the center line of the air outlet and the intersection of the key flow channel in the chassis; the internal pressure value P and radial deformation variable ΔD of the airbag can be better detected in real time through the actuator status detection module, the temperature T of the CPU / GPU, mainboard chipset and power module can be better detected in real time through the temperature detection unit, and the airflow velocity V of each air outlet and the intersection of the key flow channels in the chassis can be better detected in real time through the airflow detection unit.

[0012] Preferably, the control logic of the control module for the working state of the actuator is as follows:

[0013] Data acquisition: The actuator status detection module and the environmental parameter detection module respectively collect data in real time;

[0014] Data processing: perform parameter normalization on the collected data and then calculate the evaluation coefficient;

[0015] Hierarchical control decision-making:

[0016] When K≥0.8 is in emergency cooling mode, use maximum air volume + forced exhaust;

[0017] 0.5≤K<0.8 active adjustment mode, PID closed-loop control + prediction compensation;

[0018] 0.3≤K<0.5Economy mode: hysteresis control + intermittent regulation;

[0019] When K<0.3 is in silent standby mode, the minimum ventilation volume is maintained.

[0020] Preferably, the formula of the evaluation coefficient K is:

[0021]

[0022] Where, α, β, γ: weight coefficients, T current : Current temperature inside the chassis, T ambient : Ambient temperature, T max : The maximum temperature allowed by the system, v actual : Measured air flow velocity, v target : Target airflow velocity, P norm : Normalized value of the cuff pressure.

[0023] Preferably, the parameter normalization formula is:

[0024]

[0025] Where, X: original parameter value, X min ,X max : The minimum and maximum range of the parameter, X norm : Normalized parameter value.

[0026] Preferably, the relationship between the airbag opening and pressure is expressed as follows:

[0027]

[0028] Where A: effective ventilation area after the airbag is inflated, D0: base diameter of the airbag when not inflated, k p: deformation coefficient of the airbag material, P: current airbag internal pressure, P0: initial airbag pressure.

[0029] Compared with the prior art, the present invention provides a computer device with adaptive heat dissipation adjustment, which has the following beneficial effects:

[0030] 1. A computer device with adaptive heat dissipation control. This device monitors the temperature within the chassis through a control system and dynamically adjusts the cooling fan's cooling status and the air intake's exposure based on the device's actual cooling needs. When the cooling demand is high, the air intake's exposure is increased to accelerate heat dissipation; when the cooling demand is low, the air intake's exposure is reduced to reduce dust ingress. This adaptive heat dissipation control method effectively improves cooling efficiency, ensuring stable operation of the computer device under varying loads. It also reduces damage to hardware caused by excessive temperatures, extending the device's service life.

[0031] 2. A computer device with adaptive heat dissipation control. The actuator uses an airbag to drive a sealing plate to control the exposure of the air inlet. It features a simple structure and easy operation. A micropump and solenoid valve inflate or deflat the airbag, precisely controlling its expansion and contraction, thus achieving precise adjustment of the air inlet exposure. The actuator is also very easy to install and remove. Bolts and a positioning cylinder allow for quick installation and removal, facilitating maintenance and repair.

[0032] 3. A computer device with adaptive heat dissipation control system, comprising an actuator status detection module, an environmental parameter detection module, and a control module, collects real-time data such as the airbag's internal pressure, radial deformation, CPU / GPU, motherboard chipset, and power module temperatures, as well as airflow velocity at each air outlet and at key flow channel intersections within the chassis, and performs comprehensive analysis. By generating an evaluation coefficient and comparing it with a pre-set reference threshold, it accurately determines whether the current exposure status of the air inlet is within a reasonable range. The actuator's operating state is then controlled based on the comparison result, achieving intelligent and efficient heat dissipation control.

[0033] 4. A computer device with adaptive cooling control. The control module adopts different control modes based on the evaluation coefficient, such as emergency cooling mode, active adjustment mode, economy mode, and silent standby mode. This hierarchical control decision-making selects the most appropriate control strategy based on the actual cooling needs of the computer device, achieving energy savings and noise reduction while ensuring effective cooling. For example, in silent standby mode, maintaining minimum ventilation volume not only meets basic cooling requirements but also reduces noise and energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1This is a schematic diagram of the structure of a computer device with adaptive heat dissipation adjustment proposed by the present invention from a first angle;

[0035] Figure 2 A schematic diagram of the structure of a computer device with adaptive heat dissipation adjustment proposed by the present invention from a second angle;

[0036] Figure 3 A schematic diagram of the internal structure of a computer device with adaptive heat dissipation adjustment proposed by the present invention;

[0037] Figure 4 This is a schematic diagram of the installation structure of an actuator of a computer device with adaptive heat dissipation adjustment proposed by the present invention;

[0038] Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure at point A;

[0039] Figure 6 This is a control principle diagram between the control system and the actuator of a computer device with adaptive heat dissipation regulation proposed by the present invention.

[0040] In the figure: 1. Chassis; 2. Air outlet; 3. Air inlet; 4. Cover plate; 5. Cooling fan; 6. Side cover; 7. Main board; 8. Positioning sleeve; 9. Air bag; 10. Micro pump; 11. Connecting pipe; 12. Solenoid valve; 13. Disc frame; 14. Positioning cylinder; 15. Bolt. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0042] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0043] Reference Figures 1-6 A computer device with adaptive heat dissipation adjustment includes a chassis 1 and a side cover 6. An air outlet 2 is provided at the rear end of the chassis 1, and an air inlet 3 is provided on the side cover 6. A heat dissipation fan 5 is provided in the chassis 1. The heat dissipation fan 5 is mounted on a mainboard 7 of the computer device, and the air outlet side of the heat dissipation fan 5 faces the air outlet 2. An actuator controlled by a control system is also provided at the air inlet 3, and the actuator is used to adjust the exposure state of the air inlet 3.

[0044] During use, the temperature inside the chassis 1 is monitored by the control system to adjust the heat dissipation state of the cooling fan 5, and then the exposure state of the air inlet 3 is controlled by the actuator. When the heat dissipation demand is large, the exposure state of the air inlet 3 is increased to accelerate the heat dissipation. When the heat dissipation demand is small, the exposure state of the air inlet 3 is reduced to reduce the entry of dust, thereby effectively reducing the dust from entering the inside of the chassis 1 through the air inlet 3 as a whole.

[0045] The actuator includes a sealing plate 4 disposed within the air inlet 3. A positioning sleeve 8 is disposed within the chassis 1 and is detachably fixed to the side cover 6. An airbag 9 is fixedly connected to the positioning sleeve 8. The free end of the airbag 9 is fixedly connected to the sealing plate 4. A micro pump 10 is connected to the air inlet of the airbag 9 via a connecting pipe 11. A solenoid valve 12 is installed on the connecting pipe 11.

[0046] When in use, the micro pump 10 and the solenoid valve 12 will start when they receive instructions from the control system, and then the micro pump 10 will inflate or exhaust the airbag 9 through the connecting tube 11, thereby controlling the expansion or contraction of the airbag 9. The airbag 9 can then drive the sealing plate 4 to move accordingly to control the exposure state of the air inlet 3.

[0047] The end of the positioning sleeve 8 away from the sealing plate 4 is fixedly connected to a disc-shaped frame 13, on which a plurality of bolts 15 distributed in a circular array are inserted, and the side cover 6 is equipped with a plurality of positioning cylinders 14 that are threadedly connected to the corresponding bolts 15;

[0048] When in use, the bolt 15 is inserted into the mounting hole of the disc frame 13, and then the bolt 15 is aligned with the corresponding positioning tube 14, and then the bolt 15 is tightened, so that the actuator can be quickly installed and easily disassembled.

[0049] The micro pump 10 is fixedly connected to the disc frame 13 .

[0050] Among them, the control system includes an actuator state detection module, an environmental parameter detection module and a control module. The actuator state detection module is used to detect the internal pressure value P and radial deformation ΔD of the airbag 9 in real time. The environmental parameter detection module includes a temperature detection unit and an airflow detection unit. The temperature detection unit is used to detect the temperature T of the CPU / GPU, the motherboard chipset and the power module in real time. The airflow detection unit is used to detect the airflow velocity V of each air outlet 2 and the intersection of key flow channels in the chassis 1 in real time. The control module receives the data collected by the environmental parameter detection module and the actuator state detection module and generates an evaluation coefficient, compares it with a preset reference threshold, and controls the working state of the actuator according to the comparison result;

[0051] It should be noted that the actuator state detection module can be a miniature piezoresistive pressure sensor + strain gauge or other devices that can detect the internal pressure value P and radial deformation ΔD of the airbag 9 in real time; the temperature detection unit can be an NTC thermistor array or other devices that can detect the temperature T of the CPU / GPU, motherboard chipset and power module in real time; the airflow detection unit can be a hot wire anemometer or other devices that can detect the airflow velocity V of each air outlet 2 and the key flow channel intersection in the chassis 1 in real time; the control module is an embedded controller (such as the STM32 series) with an integrated data fusion algorithm. Therefore, the actuator state detection module, temperature detection unit, airflow detection unit and control module are not specifically limited here and can be selected according to actual needs;

[0052] When in use, the control module receives the data collected by the environmental parameter detection module and the actuator status detection module in real time, performs a comprehensive analysis, and then generates an evaluation coefficient. By comparing the evaluation coefficient with a pre-set evaluation coefficient reference threshold, it is determined whether the current exposure state of the air inlet 3 is within a reasonable range, and the working state of the actuator is controlled according to the comparison result. If the current exposure state of the air inlet 3 is not within a reasonable range, the actuator will automatically adjust the current exposure state of the air inlet 3.

[0053] Among them, the control module is integrated on the mainboard 7, the actuator status detection module is installed on the airbag 9, the temperature detection unit is installed at the air outlet of the cooling fan 5, the surface of the mainboard chipset and the air inlet of the power module, and the air flow detection unit is installed at the intersection of the center line of the air outlet 2 and the key flow channel in the chassis;

[0054] When in use, the internal pressure value P and radial deformation ΔD of the airbag 9 can be better detected in real time through the actuator status detection module, the temperature T of the CPU / GPU, motherboard chipset and power module can be better detected in real time through the temperature detection unit, and the airflow velocity V of each air outlet 2 and the key flow channel intersection in the chassis 1 can be better detected in real time through the airflow detection unit.

[0055] In another embodiment, the control logic for automatically adjusting the current exposure state of the air inlet 3 through the cooperation among the actuator state detection module, the temperature detection unit, the airflow detection unit, the control module, and the actuator is as follows:

[0056] Data processing: perform parameter normalization on the collected data and then calculate the evaluation coefficient;

[0057] Hierarchical control decision-making:

[0058] When K≥0.8 (emergency cooling mode), use maximum inflation volume + forced exhaust;

[0059] When 0.5≤K<0.8 (active adjustment mode), PID closed-loop control + prediction compensation;

[0060] When 0.3≤K<0.5 (economic mode), hysteresis control + intermittent adjustment;

[0061] When K<0.3 (quiet standby mode), maintain minimum ventilation.

[0062] In the above, the formula for the evaluation coefficient K is:

[0063]

[0064] Where, α, β, γ: weight coefficients (need to satisfy α + β + γ = 1), T current : Current temperature inside chassis 1 (unit: °C), T ambient : Ambient temperature (unit: °C), T max : The maximum temperature allowed by the system (unit: ℃), v actual : Measured air velocity (unit: m / s), v target : Target airflow velocity (unit: m / s), P norm : Normalized value of airbag 9 pressure (calculated by parameter normalization formula).

[0065] In the above, the parameter normalization formula is:

[0066]

[0067] Where, X: original parameter value (such as temperature, pressure, etc.), X min ,X max : The minimum and maximum range of the parameter, X norm : Normalized parameter value (dimensionless, range [0,1]).

[0068] In the above, the relationship between the opening degree of the airbag 9 and the pressure is as follows:

[0069]

[0070] Where A: effective ventilation area after the airbag 9 is expanded (unit: m 2 ), D0: reference diameter of the airbag 9 when it is not inflated (unit: m), k p : deformation coefficient of the airbag 9 material (unit: m / kPa), P: current internal pressure of the airbag 9 (unit: kPa), P0: initial pressure of the airbag 9 (unit: kPa).

[0071] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A computer device with adaptive heat dissipation regulation, comprising a chassis (1) and a side cover (6), characterized in that: The rear end of the chassis (1) is provided with an air outlet (2), and the side cover (6) is provided with an air inlet (3). A heat dissipation fan (5) is provided in the chassis (1), and the heat dissipation fan (5) is mounted on a mainboard (7) of the computer device, with the air outlet side of the heat dissipation fan (5) facing the air outlet (2). An actuator controlled by a control system is also provided at the air inlet (3), and the actuator is used to adjust the exposure state of the air inlet (3).

2. The computer device with adaptive heat dissipation adjustment according to claim 1, characterized in that: The actuator comprises a sealing plate (4) arranged in the air inlet (3); a positioning sleeve (8) detachably fixed to the side cover (6) is arranged inside the chassis (1); an air bag (9) is fixedly connected inside the positioning sleeve (8); the free end of the air bag (9) is fixedly connected to the sealing plate (4); a micro pump (10) is connected to the air inlet of the air bag (9) via a connecting pipe (11); and a solenoid valve (12) is installed on the connecting pipe (11).

3. The computer device with adaptive heat dissipation adjustment according to claim 2, characterized in that: The end of the positioning sleeve (8) away from the sealing plate (4) is fixedly connected to a disc-shaped frame (13), and a plurality of bolts (15) distributed in a circular array are inserted into the disc-shaped frame (13). The side cover (6) is equipped with a plurality of positioning cylinders (14) that are threadedly connected to the corresponding bolts (15).

4. The computer device with adaptive heat dissipation adjustment according to claim 3, characterized in that: The micro pump (10) is fixedly connected to the disc-shaped frame (13).

5. The computer device with adaptive heat dissipation adjustment according to claim 1, characterized in that: The control system includes an actuator state detection module, an environmental parameter detection module and a control module. The actuator state detection module is used to detect the internal pressure value P and radial deformation variable ΔD of the airbag (9) in real time. The environmental parameter detection module includes a temperature detection unit and an airflow detection unit. The temperature detection unit is used to detect the temperature T of the CPU / GPU, the motherboard chipset and the power module in real time. The airflow detection unit is used to detect the airflow velocity V of each air outlet (2) and the intersection of key flow channels in the chassis (1) in real time. The control module receives data collected by the environmental parameter detection module and the actuator state detection module and generates an evaluation coefficient, compares it with a preset reference threshold, and controls the working state of the actuator according to the comparison result.

6. The computer device with adaptive heat dissipation adjustment according to claim 5, characterized in that: The control module is integrated on the mainboard (7), the actuator state detection module is installed on the airbag (9), the temperature detection unit is installed at the air outlet of the cooling fan (5), the surface of the mainboard chipset and the air inlet of the power module, and the air flow detection unit is installed at the intersection of the center line of the air outlet (2) and the key flow channel in the chassis.

7. The computer device with adaptive heat dissipation adjustment according to claim 5, characterized in that: The control logic of the control module for the working state of the actuator is as follows: Data acquisition: The actuator status detection module and the environmental parameter detection module respectively collect data in real time; Data processing: perform parameter normalization on the collected data and then calculate the evaluation coefficient; Hierarchical control decision-making: When K≥0.8 (emergency cooling mode), use maximum inflation volume + forced exhaust; When 0.5≤K<0.8 (active adjustment mode), PID closed-loop control + prediction compensation; When 0.3≤K<0.5 (economic mode), hysteresis control + intermittent adjustment; When K<0.3 (quiet standby mode), maintain minimum ventilation.

8. The computer device with adaptive heat dissipation adjustment according to claim 5, characterized in that: The formula for the evaluation coefficient K is: Where, α, β, γ: weight coefficients, T current : Current temperature inside chassis (1), T ambient : Ambient temperature, T max : The maximum temperature allowed by the system, v actual : Measured air velocity, v target : Target airflow velocity, P norm : Normalized value of the cuff pressure.

9. The computer device with adaptive heat dissipation adjustment according to claim 5, characterized in that: The parameter normalization formula is: Where, X: original parameter value, X min ,X max : The minimum and maximum range of the parameter, X norm : Normalized parameter value.

10. The computer device with adaptive heat dissipation adjustment according to claim 5, characterized in that: The relationship between the opening degree of the airbag (9) and the pressure is as follows: Where A: effective ventilation area of ​​the airbag (9) after expansion, D0: reference diameter of the airbag (9) when not inflated, k p : deformation coefficient of the airbag (9) material, P: current internal pressure of the airbag (9), P0: initial pressure of the airbag (9).

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