Air supply system and pipeline air volume control method for equipment group

Abstract

This invention discloses a group air supply system for equipment and a method for controlling the airflow in the pipeline. The group air supply system includes a temperature sensor group, pipeline components, a diameter-changing mechanism, a servo motor, and an Arduino board. The temperature sensor group monitors the outlet air temperature, equipment temperature, and ambient temperature. The servo motor adjusts the opening of the diameter-changing mechanism through the cooperation of transmission components. The Arduino board is connected to the signal pins of the servo motor and is suitable for outputting analog signals. This invention can monitor the development and changes of the temperature field of each device in the group during operation and heat dissipation, facilitating real-time guidance on the temperature preparation of the cold source. The Arduino board outputs analog signals to control the servo motor to drive the diameter-changing mechanism to automatically adjust the opening of the central through-hole formed by multiple arc-shaped baffles. This allows for adjustment of the airflow according to the actual situation of the equipment, coordinating the airflow distribution in the system.

Description

Technical Field

[0001] This invention relates to the field of equipment heat dissipation technology, and in particular to a group air supply system for equipment and a method for controlling the air volume of pipelines. Background Technology

[0002] Computers, PLCs, and other equipment consume electrical energy and generate a large amount of heat during operation. Increased equipment temperature can affect operational performance in a short period, causing lag or crashes. Prolonged operation at high temperatures significantly shortens equipment lifespan and dramatically increases the failure rate. Therefore, standard computer rooms are equipped with air conditioning to cool the entire room and help the equipment cool down quickly. Cooling server racks and equipment clusters typically requires a dedicated, enclosed space or high-powered on-site cooling equipment. However, this method is subject to site limitations and is energy-intensive. In locations lacking enclosed cooling conditions or with excessively large spaces, such as generator cabinet floors in hydropower plants, air conditioning is not suitable for cooling equipment clusters due to the lack of enclosed space.

[0003] In related technologies, for equipment clusters in open areas, since the equipment clusters are not in an enclosed space, high-powered fans are usually installed next to each piece of equipment to dissipate heat. However, fan cooling is difficult to target different areas of the same equipment, and it is easy for airflow to carry dust into the gaps between equipment components, causing a large amount of dust accumulation inside the equipment, exacerbating heat buildup and worsening equipment operating conditions. When equipment clusters are scattered in open areas, the temperature of the heat-generating parts of each piece of equipment gradually changes during operation and cooling, and the heat generation of the equipment also fluctuates. The air supply cooling systems in related technologies cannot accurately identify the temperature development of different areas of each piece of equipment, and cannot coordinate the airflow distribution of the equipment cluster while adjusting the cold source temperature. The cooling of the equipment cluster consumes a lot of energy and has low energy utilization. Therefore, this invention provides an equipment cluster air supply system and pipeline airflow control method, which can provide a cold air cooling system for equipment clusters arranged outdoors or in other open areas. It can also automatically and adaptively adjust the temperature and flow of the airflow, and the air supply system will not produce condensation and will not interfere with the operation of the equipment. Summary of the Invention

[0004] This invention is based on the inventor's discoveries and understanding of the following facts and problems:

[0005] In open-air spaces, due to the lack of enclosed space, it is impossible to cool down the entire area using air conditioning. Typically, fans are placed next to each piece of equipment to cool each individual device. However, this method of placing a fan for each device results in excessive energy consumption. As the heating and cooling processes of the entire equipment group gradually change, existing heat dissipation technologies cannot intelligently acquire the temperature of the equipment group in real time, nor can they accurately address the different heat-generating areas of each device.

[0006] The present invention aims to at least partially solve one of the technical problems in the related art.

[0007] Therefore, embodiments of the present invention propose an air supply system for equipment groups and a method for controlling the air volume of pipelines, which can accurately and in real time adjust the cooling of different areas of each equipment in the equipment group, and automatically adjust the output air volume and temperature of each pipeline according to the specific temperature field development.

[0008] According to an embodiment of the present invention, a device group air supply system includes a temperature sensor group, a pipe assembly, a diameter-changing mechanism, a servo motor, and an Arduino board. The temperature sensor group is used to monitor the outlet air temperature, the device temperature, and the ambient temperature. The diameter-changing mechanism is located at the outlet end of the pipe assembly and is adapted to adjust the outlet air volume of the pipe assembly. The servo motor adjusts the opening of the diameter-changing mechanism through the cooperation of a transmission component. The Arduino board is connected to the signal pin of the servo motor and is adapted to output analog signals. The diameter-changing mechanism includes multiple arc-shaped baffles, which are adapted to rotate synchronously under the drive of the servo motor and adjust the opening of the central through hole formed by the multiple arc-shaped baffles. When the opening of the central through hole formed by the multiple arc-shaped baffles is zero, adjacent arc-shaped baffles are connected without gaps.

[0009] According to the equipment group air supply system of the present invention, the pipeline assembly is connected to the equipment group to facilitate the supply of cold air to the equipment group. The outlet air temperature, equipment temperature and ambient temperature are monitored by a temperature sensor group. It can monitor the development and changes of the temperature field of each equipment in the equipment group during operation and heat dissipation, so as to provide real-time guidance for the preparation temperature of the cold source. The outlet air temperature can be adjusted according to the actual situation of the equipment. Since the degree of heat concentration in different areas of each equipment is different, the required air volume and temperature for heat dissipation in different areas of the same equipment are changing during the heat dissipation process. By acquiring the outlet air temperature, equipment temperature and ambient temperature in real time, the Arduino board outputs analog signals to control the servo motor to drive the diameter adjustment mechanism to automatically adjust the opening of the central through hole surrounded by multiple arc baffles, so as to adjust the air volume according to the actual situation of the equipment.

[0010] In some embodiments, the piping assembly includes a main air duct and a plurality of air supply hoses. The main air duct is connected to the air outlet of the air cooler. The main air duct has a plurality of connection positions. The first end of each air supply hose is engaged with a different connection position and communicates with the main air duct. The second end of the air supply hose extends to the air inlet of the device.

[0011] In some embodiments, the variable diameter mechanism further includes a sleeve, a transmission device, and a rotating ring arranged sequentially. The transmission device includes a plurality of first connecting rods and a plurality of second connecting rods corresponding one-to-one with the arc-shaped baffles. The first connecting rods and the second connecting rods are symmetrically arranged on both sides of the corresponding arc-shaped baffles. The servo motor is connected to the arc-shaped baffles through the first connecting rods and the second connecting rods.

[0012] In some embodiments, the transmission device further includes a first limiting ring and a second limiting ring disposed on both sides of the arc-shaped baffle. The first limiting ring and the second limiting ring are each provided with a plurality of arc-shaped through holes arranged circumferentially along the first limiting ring and corresponding one-to-one with the arc-shaped baffle. The first connecting rod and the second connecting rod respectively cooperate with the corresponding arc-shaped through holes in the first limiting ring and the second limiting ring, and can slide along the arc-shaped extension direction of the arc-shaped through holes.

[0013] In some embodiments, the second end of the first connecting rod passes through the arc-shaped through hole on the first limiting ring and is connected to a limiting strip, the second end of the second connecting rod passes through the arc-shaped through hole on the second limiting ring and is fixedly connected to one side of the rotating ring, and the rotating ring is connected to the servo motor through the transmission member.

[0014] In some embodiments, the transmission device further includes a circumferentially closed sleeve connected between the first limiting ring and the second limiting ring. The circumferentially closed sleeve is provided with a plurality of U-shaped rotating shafts. The plurality of U-shaped rotating shafts are arranged at circumferential intervals along the circumferentially closed sleeve and correspond one-to-one with the arc-shaped baffles. The arc-shaped baffles are pivotally connected to the corresponding U-shaped rotating shafts.

[0015] In some embodiments, the first side of the sleeve is fixedly connected to the side of the first limiting ring away from the second limiting ring, the second side of the sleeve is connected to the air outlet of the air supply hose, the transmission component includes a crank rod, the first end of the crank rod is hinged to the output end of the servo motor, and the second end of the crank rod is hinged to the rotating ring.

[0016] In some embodiments, the temperature sensor group includes at least one first sensor, at least one second sensor, and at least one third sensor. The first sensor is located at the air outlet of the air cooler and is adapted to monitor the air outlet temperature. The second sensor is located at the air inlet of the device and is adapted to monitor the device temperature. The third sensor is located inside the site and is adapted to monitor the ambient temperature.

[0017] According to an embodiment of the present invention, a pipeline airflow control method includes the following steps: first, acquiring the outlet air temperature, equipment temperature, and ambient temperature through a temperature sensor group, and calculating the average ambient temperature per hour based on the ambient temperature; then, adjusting the set temperature of the air cooler host in real time based on the outlet air temperature, the equipment temperature, and the average ambient temperature; next, setting the maximum analog signal M of the Arduino board based on the maximum central angle that each arc-shaped baffle can rotate through, wherein the range of the analog signal output by the Arduino board is 4-M; finally, calculating the temperature difference between the equipment temperature and the outlet air temperature to adjust the analog signal output by the Arduino board in real time, wherein the analog signal corresponds to the position signal of the servo motor.

[0018] According to the pipeline airflow control method of the present invention, by comparing the difference between the real-time acquired average ambient temperature and the outlet air temperature, the temperature of the cold source is set and limited within a certain range. This prevents the air temperature from dropping too drastically when the cold air generated by the air cooler mixes with the air in the environment, and prevents condensation from entering the equipment along with the pipeline components. Since the variable diameter mechanism is connected to the outlet end of the air supply hose, by judging the temperature change data of the equipment, the Arduino board outputs different analog signals to adjust the position signal of the servo motor, thereby changing the rotation angle of the arc baffle to adjust the opening of the through hole in the middle of the variable diameter mechanism, changing the airflow output to different devices and different heat-generating areas of the same device. At the same time, as the cooling value set for the air cooler changes, the outlet air temperature can be adjusted in real time.

[0019] In some embodiments, the analog signal output by the Arduino board is denoted as Y, the average ambient temperature is denoted as Te, and the set temperature of the air cooler is denoted as Ts; Y = 4 + (M - 4) * (To - Ti) * Kp, where Kp is the set control ratio, To is the device temperature, Ti is the outlet air temperature, M is the maximum analog signal, and the range of Kp is 1-2; the range of Ts is 18℃-26℃, when Te is greater than or equal to 28℃, Ts = Te - 10℃; when Te is less than 28℃, Ts = 18℃. Attached Figure Description

[0020] Figure 1 This is a plan view of an air supply system according to an embodiment of the present invention;

[0021] Figure 2 This is a side view of the main air duct according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram showing the connection between the variable diameter mechanism, the servo motor, and the Arduino board according to an embodiment of the present invention;

[0023] Figure 4 This is a three-dimensional schematic diagram of a variable diameter mechanism according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of a rotating ring and a transmission device according to an embodiment of the present invention;

[0025] Figure 6 This is a perspective view of a transmission device according to an embodiment of the present invention;

[0026] Figure 7 This is an exploded view of a transmission device according to an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of the connection between the circumferentially closed sleeve and the U-shaped rotating shaft according to an embodiment of the present invention;

[0028] Figure 9 This is a three-dimensional schematic diagram of the first limiting ring according to an embodiment of the present invention;

[0029] Figure 10 This is a schematic diagram showing the connection between the arc-shaped baffle and the U-shaped rotating shaft according to an embodiment of the present invention;

[0030] Figure 11 This is an enlarged schematic diagram of point A according to an embodiment of the present invention.

[0031] Reference numerals: Air conditioning unit S; First sensor a; Second sensor b; Third sensor c; Variable diameter mechanism 1; Arc-shaped baffle 11; U-shaped rotating shaft 111; Sleeve 12; Transmission device 13; Arc-shaped through hole 13a; First connecting rod 131; Second connecting rod 132; First limiting ring 133; Second limiting ring 134; Limiting strip 135; Circumferentially closed sleeve 136; Rotating ring 14; Pipe assembly 2; Main air duct 21; Connection position 21a; Air supply hose 22; Servo motor 3; Arduino board 4; Crank rod 5. Detailed Implementation

[0032] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] like Figures 1-11As shown, the equipment group air supply system according to an embodiment of the present invention includes a temperature sensor group, a pipeline assembly 2, a diameter changing mechanism 1, a servo motor 3, and an Arduino board 4. The temperature sensor group is used to monitor the outlet air temperature, equipment temperature, and ambient temperature.

[0034] By installing the variable diameter mechanism 1 at the air outlet of the pipe assembly 2 and acquiring the equipment temperature in real time, the Arduino board 4 controls the servo motor 3 to adjust the size of the through hole in the middle of the variable diameter mechanism 1, thereby adjusting the air volume. At the same time, the temperature of the airflow prepared by the cooling source can also be adjusted, and the outlet temperature can be adjusted according to the actual temperature changes of the equipment group.

[0035] Specifically, such as Figure 1 As shown, the variable diameter mechanism 1 is located at the air outlet of the pipe assembly 2 and is adapted to adjust the airflow of the pipe assembly 2. The servo motor 3 adjusts the opening of the variable diameter mechanism 1 through the cooperation of the transmission components, such as... Figure 3 As shown, Arduino board 4 is connected to the signal pins of servo motor 3 and is adapted to output analog signals. Arduino board 4 can adjust and change the output analog signal according to the device temperature data monitored by the system, such as... Figure 6 As shown, the variable diameter mechanism 1 includes multiple arc-shaped baffles 11. The multiple arc-shaped baffles 11 are adapted to rotate synchronously under the drive of the servo motor 3 and adjust the opening of the central through hole formed by the multiple arc-shaped baffles 11. When the opening of the central through hole formed by the multiple arc-shaped baffles 11 is zero, the adjacent arc-shaped baffles 11 are connected without gap. It can be understood that when the opening of the central through hole formed by the multiple arc-shaped baffles 11 is larger, the air volume is larger.

[0036] According to the equipment group air supply system of the present invention, the pipeline assembly 2 supplies cold air to the equipment group. The outlet air temperature, equipment temperature and ambient temperature are monitored by the temperature sensor group. The heat concentration of different areas of each equipment can be obtained, thereby guiding the setting temperature of the cold source. During the heat dissipation process, the air volume and temperature required for heat dissipation in different areas of the same equipment are changing. It can be understood that by obtaining the outlet air temperature, equipment temperature and ambient temperature, the Arduino board 4 outputs different analog signals to control the servo motor 3 to drive the diameter changing mechanism 1 to automatically adjust the opening of the central through hole surrounded by multiple arc baffles 11, thereby adjusting the flow rate of the cooling airflow output by the diameter changing mechanism 1.

[0037] In some embodiments, such as Figure 1As shown, the piping assembly 2 includes a main air duct 21 and multiple air supply hoses 22. The main air duct 21 is connected to the air outlet of the air cooler S. Because the cold air output by the air cooler S mixes with the air, the outlet air temperature will be higher than the actual set cooling temperature. However, the outlet air temperature generally will not exceed 45 degrees Celsius. If the outlet air temperature exceeds 45 degrees Celsius, the cooling effect of the airflow on the equipment group will be poor. The actual outlet air temperature is monitored by a temperature sensor group. When the outlet air temperature is higher than 45 degrees Celsius, the corresponding sensor sends a warning signal to remind the operator to check the air cooler S. Figure 2 As shown, the main air duct 21 is provided with multiple connection positions 21a. The first end of each air supply hose 22 is snapped into a different connection position 21a and connected to the main air duct 21. The second end of the air supply hose 22 extends to the air inlet of the equipment. It can be understood that each air supply hose 22 in this invention changes the air volume through the connected variable diameter mechanism 1. The air supply hose 22 is a standardized customized air duct, and all air supply hoses 22 have the same radial dimension, which facilitates uniform production.

[0038] In some examples, such as Figure 2 As shown, the multiple connection positions 21a on the main air duct 21 are identical in shape and size, facilitating standardized production. Each connection position 21a is equipped with a detachable sealing component. When it is necessary to connect the air supply hose 22 to the main air duct 21, the corresponding sealing component on the main air duct 21 is removed and the air supply hose 22 is snapped into the corresponding connection position 21a. It can be understood that since the sealing component on each connection position 21a can block the opening of the connection position 21a to the outside, it can prevent airflow from flowing out of the connection position 21a that has not been connected to the air supply hose 22.

[0039] In some alternative examples (not shown in the figure), multiple connection positions 21a can also be set to different shapes and sizes to meet more diverse needs in actual use. It is understood that different multiple connection positions 21a can connect to different corresponding air supply hoses 22, thereby meeting the heat dissipation needs of different equipment or different heat concentration areas of the same equipment in the actual open space.

[0040] In some embodiments, such as Figure 4 As shown, the variable diameter mechanism 1 also includes a sleeve 12, a transmission device 13, and a rotating ring 14 arranged sequentially. The sleeve 12 is fixedly connected to the transmission device 13. It can be understood that the two sides of the sleeve 12 are not sealed, and the sleeve 12 has holes for airflow to pass through. Figure 7As shown, the transmission device 13 includes a plurality of first connecting rods 131 and a plurality of second connecting rods 132 corresponding one-to-one with the arc-shaped baffles 11. The first connecting rods 131 and the second connecting rods 132 are symmetrically arranged on both sides of the corresponding arc-shaped baffles 11. The servo motor 3 is connected to the arc-shaped baffles 11 through the first connecting rods 131 and the second connecting rods 132. It can be understood that the first connecting rods 131 and the second connecting rods 132 in the same group are collinear and fixedly connected to the arc-shaped baffles 11. By driving the second connecting rods 132, the arc-shaped baffles 11 and the first connecting rods 131 can be driven to move in linkage at the same time.

[0041] In some embodiments, such as Figure 6 As shown, each transmission device 13 includes five arc-shaped baffles 11. The five arc-shaped baffles 11 can rotate synchronously along their own pivot points under the drive of the servo motor 3 to change the opening of the central through hole formed by the five arc-shaped baffles 11. It can be understood that when the opening of the central through hole formed by the five arc-shaped baffles 11 is zero, the adjacent arc-shaped baffles 11 are seamlessly connected. The five seamlessly connected arc-shaped baffles 11 can completely close the airflow channel. It can be understood that as the opening of the central through hole formed by the five arc-shaped baffles 11 increases, the airflow channel gradually increases.

[0042] In some alternative embodiments (not shown in the figure), each transmission device 13 may also be provided with more than 5 arc-shaped baffles 11. It is understood that as the number of arc-shaped baffles 11 increases, the adjustment of the opening of the central through hole surrounded by multiple arc-shaped baffles 11 becomes more precise, and the multiple arc-shaped baffles 11 are still evenly spaced along the circumference of the sleeve 12.

[0043] In some embodiments, such as Figure 6 and Figure 7 As shown, the transmission device 13 also includes a first limiting ring 133 and a second limiting ring 134 disposed on both sides of the arc-shaped baffle 11. The first limiting ring 133 and the second limiting ring 134 are each provided with a plurality of arc-shaped through holes 13a arranged circumferentially along the first limiting ring 133 and corresponding one-to-one with the arc-shaped baffle 11. It can be understood that the first connecting rod 131 and the second connecting rod 132 respectively cooperate in the corresponding arc-shaped through holes 13a in the first limiting ring 133 and the second limiting ring 134, and can slide along the arc-shaped extension direction of the arc-shaped through holes 13a. It can be understood that the arc-shaped through holes 13a restrict the movement trajectory and movement range of the first connecting rod 131 and the second connecting rod 132. Since the first connecting rod 131, the second connecting rod 132 and the arc-shaped baffle 11 are linked together, the arc-shaped through holes 13a can limit the maximum central angle that the arc-shaped baffle 11 can rotate.

[0044] In some embodiments, such as Figure 6As shown, the second end of the first connecting rod 131 passes through the arc-shaped through hole 13a on the first limiting ring 133 and is connected to the limiting strip 135. It can be understood that by setting the limiting strip 135 at the second end of the first connecting rod 131, the first connecting rod 131 can be prevented from disengaging from the corresponding arc-shaped through hole 13a.

[0045] In some embodiments, such as Figure 11 As shown, the second end of the second connecting rod 132 passes through the arc-shaped through hole 13a on the second limiting ring 134 and is fixedly connected to one side of the rotating ring 14. The rotating ring 14 is connected to the servo motor 3 through the transmission component. It can be understood that during the process of the servo motor 3 cooperating with the transmission component to drive the rotating ring 14 to rotate, since the rotating ring 14 is fixedly connected to the second end of the second connecting rod 132, the rotating ring 14 drives the second connecting rod 132 to rotate.

[0046] In some embodiments, such as Figure 6 and Figure 8 As shown, the transmission device 13 also includes a circumferentially enclosed sleeve 136 connected between the first limiting ring 133 and the second limiting ring 134. The circumferentially enclosed sleeve 136 is provided with a plurality of U-shaped rotating shafts 111. The plurality of U-shaped rotating shafts 111 are arranged at intervals along the circumference of the circumferentially enclosed sleeve 136 and correspond one-to-one with the arc-shaped baffles 11. It can be understood that the arc-shaped baffles 11 and the corresponding U-shaped rotating shafts 111 are pivotally connected. During the process of the arc-shaped baffles 11 rotating around the fulcrum that contacts the U-shaped rotating shafts 111, the opening of the central through hole formed by the plurality of arc-shaped baffles 11 gradually changes, thereby realizing the automatic adjustment and control of the air volume.

[0047] In some embodiments, such as Figure 4 As shown, the first side of the sleeve 12 is fixedly connected to the side of the first limiting ring 133 away from the second limiting ring 134, and the second side of the sleeve 12 is connected to the air outlet of the air supply hose 22. It can be understood that the sleeve 12 and the transmission device 13 are fixed to the air outlet of the air supply hose 22, and the rotating ring 14 is connected to the second connecting rod 132 in the transmission device 13 and can rotate under the drive of the transmission component.

[0048] In some embodiments, it may be understood that, as Figure 3 As shown, the transmission component includes a crank 5. The first end of the crank 5 is hinged to the output end of the servo motor 3, and the second end of the crank 5 is hinged to the rotating ring 14. During the process of the servo motor 3 driving the crank 5 to rotate through a certain angle, the rotating ring 14 drives the second connecting rod 132 to rotate along the trajectory defined by the arc-shaped through hole 13a, thereby driving the arc-shaped baffle 11 to rotate, thereby realizing the adjustment of the air volume.

[0049] In some alternative examples (not shown in the figure), the transmission components can also be configured as a first gear sleeved on the output end of the servo motor 3 and a second gear sleeved on the outer surface of the rotating ring 14, and the first gear and the second gear mesh with each other. It can be understood that when the servo motor 3 receives the analog signal transmitted by the Arduino board 4 and rotates through a certain angle, under the cooperation of the first gear and the second gear, it drives the rotating ring 14 and the second connecting rod 132 to rotate along the trajectory defined by the arc-shaped through hole 13a, thereby driving the arc-shaped baffle 11 to rotate, thereby realizing the adjustment of the air volume.

[0050] In some embodiments, the temperature sensor group includes at least one first sensor a, at least one second sensor b, and at least one third sensor c. The first sensor a is located at the air outlet of the air cooler S and is adapted to monitor the outlet air temperature. The first sensor a monitors the actual outlet air temperature. When the outlet air temperature exceeds 45 degrees Celsius, the cooling effect of the airflow on the equipment group will be poor. At this time, the cooling operation of the air cooler S may have problems. Therefore, a program is set to control the first sensor a. When the first sensor a detects that the outlet air temperature exceeds 45 degrees Celsius, it issues a warning signal to remind the operator to check the air cooler S. The second sensor b is located at the air inlet of the equipment. The first sensor is suitable for monitoring equipment temperature, and the second sensor is located inside the site and suitable for monitoring ambient temperature. It can be understood that by acquiring the equipment temperature, the Arduino board 4 can output different analog signals to control the opening of the variable diameter mechanism 1. When the temperature of a certain device is too high, the opening of the variable diameter mechanism 1 is increased to increase the airflow through the variable diameter mechanism 1. When the temperature of a certain device is low after cooling treatment, the opening of the variable diameter mechanism 1 is decreased to reduce the airflow through the variable diameter mechanism 1, so as to distribute the airflow evenly to other air supply hoses 22 connected to the main air duct 21, thereby achieving automatic coordination of airflow and improving the utilization rate of airflow.

[0051] The pipeline airflow control method according to an embodiment of the present invention includes the following steps:

[0052] 1. Obtain the outlet air temperature, equipment temperature, and ambient temperature through a temperature sensor array, and calculate the average ambient temperature per hour based on the ambient temperature.

[0053] 2. Adjust the set temperature of the air cooler S in real time based on the outlet air temperature, equipment temperature and average ambient temperature;

[0054] 3. Set the maximum analog signal M of Arduino board 4 according to the maximum central angle that each arc-shaped baffle 11 can rotate through when rotating. The range of the analog signal output by Arduino board 4 is 4-M.

[0055] 4. Calculate the temperature difference between the equipment temperature and the outlet air temperature to adjust the analog signal output by the Arduino board 4 in real time. The analog signal corresponds to the position signal of the servo motor 3.

[0056] In some embodiments, the analog signal output by the Arduino board 4 is denoted as Y, the average ambient temperature is denoted as Te, and the set temperature of the air conditioning unit S is denoted as Ts;

[0057] Y = 4 + (M - 4) * (To - Ti) * Kp, where Kp is the set control ratio, To is the equipment temperature, Ti is the outlet air temperature, M is the maximum analog signal, and Kp ranges from 1 to 2. It can be understood that under the same temperature difference between the equipment temperature and the outlet air temperature, the larger the value of Kp, the larger the analog signal output by the Arduino board 4, and thus the larger the position signal transmitted to the servo motor 3. The larger the angle through which the arc-shaped baffle 11 rotates, the greater the airflow passing through the variable diameter mechanism 1 can be controlled, thereby accelerating the cooling speed of the corresponding equipment.

[0058] The range of Ts is 18℃-26℃. When Te is greater than or equal to 28℃, Ts = Te - 10℃; when Te is less than 28℃, Ts = 18℃. It can be understood that the cold air unit S can produce cold air in the range of 18℃-26℃. When the average ambient temperature Te is greater than or equal to 28℃, the set temperature of the cold air unit S is automatically adjusted to a temperature 10℃ lower than the average ambient temperature. Since the temperature difference between Te and Ts is limited to within 10℃, it prevents the cold air produced by the cold air unit S from mixing with the air in the environment, thus preventing the air temperature from dropping too sharply and avoiding the generation of condensate water that enters the equipment through the pipe assembly 2.

[0059] The following description, with reference to the accompanying drawings, describes a group air supply system according to a specific embodiment of the present invention.

[0060] like Figures 1-11 As shown, the air supply system for the equipment group includes a temperature sensor group, a duct assembly 2, a diameter-changing mechanism 1, a servo motor 3, and an Arduino board 4. The temperature sensor group is used to monitor the outlet air temperature, equipment temperature, and ambient temperature. The duct assembly 2 connects the air cooler S to the equipment group to be cooled. The diameter-changing mechanism 1 is located at the outlet end of the duct assembly 2 and is suitable for adjusting the airflow of the duct assembly 2. The servo motor 3 adjusts the opening of the diameter-changing mechanism 1 through the cooperation of transmission components, such as... Figure 3 As shown, Arduino board 4 is connected to the signal pins of servo motor 3 and is suitable for outputting analog signals, such as... Figure 6As shown, the variable diameter mechanism 1 includes multiple arc-shaped baffles 11. The multiple arc-shaped baffles 11 are adapted to rotate synchronously under the drive of the servo motor 3 and adjust the opening of the central through hole formed by the multiple arc-shaped baffles 11. By acquiring the device temperature, the Arduino board 4 outputs different analog signals to control the servo motor 3 to drive the variable diameter mechanism 1 to automatically adjust the opening of the central through hole formed by the multiple arc-shaped baffles 11, thereby adjusting the flow rate of the cooling airflow output by the variable diameter mechanism 1. By comparing the outlet air temperature and the ambient temperature, the temperature at which the cooling host S prepares the cooling air is set.

[0061] The variable diameter mechanism 1 also includes a sleeve 12, a transmission device 13, and a rotating ring 14 arranged sequentially. The sleeve 12 has a hole for airflow to pass through. The transmission device 13 includes multiple first connecting rods 131, multiple second connecting rods 132, a first limiting ring 133, and a second limiting ring 134. The first connecting rods 131 and the second connecting rods 132 are symmetrically arranged on both sides of the corresponding arc-shaped baffles 11. The servo motor 3 is connected to the arc-shaped baffles 11 through the first connecting rods 131 and the second connecting rods 132. The first limiting ring 133 and the second limiting ring 14 are connected to the arc-shaped baffles 11 through the first connecting rods 131 and the second connecting rods 132. Each ring 134 is provided with a plurality of arc-shaped through holes 13a arranged circumferentially along the first limiting ring 133 and corresponding one-to-one with the arc-shaped baffle 11. The first connecting rod 131 and the second connecting rod 132 respectively cooperate with the corresponding arc-shaped through holes 13a in the first limiting ring 133 and the second limiting ring 134, and can slide along the arc-shaped extension direction of the arc-shaped through holes 13a. The first side of the sleeve 12 is fixedly connected to the side of the first limiting ring 133 away from the second limiting ring 134, and the second side of the sleeve 12 is connected to the air outlet end of the air supply hose 22.

[0062] The second end of the first link 131 passes through the arc-shaped through hole 13a on the first limiting ring 133 and is connected to the limiting strip 135. The limiting strip 135 can prevent the first link 131 from disengaging from the corresponding arc-shaped through hole 13a. The second end of the second link 132 passes through the arc-shaped through hole 13a on the second limiting ring 134 and is fixedly connected to one side of the rotating ring 14. The rotating ring 14 is connected to the servo motor 3 through a transmission component. The arc-shaped through hole 13a restricts the movement trajectory and movement range of the first link 131 and the second link 132. Since the first link 131, the second link 132 and the arc-shaped baffle 11 are linked together, the arc-shaped through hole 13a can limit the maximum central angle that the arc-shaped baffle 11 can rotate.

[0063] The transmission device 13 also includes a circumferentially closed sleeve 136 connected between the first limiting ring 133 and the second limiting ring 134. The circumferentially closed sleeve 136 contains a plurality of U-shaped rotating shafts 111, which are arranged at intervals along the circumference of the circumferentially closed sleeve 136 and correspond one-to-one with arc-shaped baffles 11. The arc-shaped baffles 11 are pivotally connected to their corresponding U-shaped rotating shafts 111. Under external force, the arc-shaped baffles 11 can rotate around the fulcrum that contacts the U-shaped rotating shaft 111. The transmission component includes a crank 5, and the crank 5's first... One end is hinged to the output end of the servo motor 3, and the second end of the crank 5 is hinged to the rotating ring 14. When the temperature of a certain device is low after cooling treatment, during the process of the servo motor 3 driving the crank 5 to rotate through a certain angle, the rotating ring 14 drives the second connecting rod 132 to rotate along the trajectory defined by the arc-shaped through hole 13a, reducing the central through hole formed by multiple arc-shaped baffles 11, reducing the air volume passing through the diameter changing mechanism 1, so as to distribute the air volume evenly to other air supply hoses 22 connected to the main air duct 21, and automatically coordinate and distribute the airflow in the system.

[0064] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0066] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0067] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0068] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0069] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A group of devices air supply system, characterized in that, The application relates to a temperature control device for a cooling device, which comprises the following components: a temperature sensor group for monitoring the outlet air temperature, the device temperature and the ambient temperature; a pipeline assembly (2); a variable-diameter mechanism (1) arranged at the air outlet end of the pipeline assembly (2) and adapted to adjust the air outlet volume of the pipeline assembly (2); a servo steering engine (3) for adjusting the opening degree of the variable-diameter mechanism (1) through the cooperation of transmission members; an Arduino board (4) connected to the signal pin of the servo steering engine (3) and adapted to output an analog signal; the variable-diameter mechanism (1) comprises a plurality of arc-shaped baffles (11) and a sleeve (12), a transmission device (13) and a rotating ring (14) arranged in sequence, the transmission device (13) comprises a plurality of first connecting rods (131) and a plurality of second connecting rods (132) corresponding to the arc-shaped baffles (11) one by one, the first connecting rods (131) and the second connecting rods (132) are symmetrically arranged on the two sides of the corresponding arc-shaped baffles (11), and the servo steering engine (3) is in transmission connection with the arc-shaped baffles (11) through the first connecting rods (131) and the second connecting rods (132); the transmission device (13) further comprises a first limiting ring (133) and a second limiting ring (134) arranged on the two sides of the arc-shaped baffles (11), a plurality of arc-shaped through holes (13a) corresponding to the arc-shaped baffles (11) one by one and arranged at intervals along the circumferential direction of the first limiting ring (133) are arranged on the first limiting ring (133) and the second limiting ring (134), the first connecting rods (131) and the second connecting rods (132) are respectively matched in the corresponding arc-shaped through holes (13a) in the first limiting ring (133) and the second limiting ring (134) and can slide along the arc-shaped extension direction of the arc-shaped through holes (13a), a plurality of the arc-shaped baffles (11) are adapted to synchronously rotate under the driving of the servo steering engine (3) and adjust the opening degree of the central through hole surrounded by the plurality of arc-shaped baffles (11), and when the opening degree of the central through hole surrounded by the plurality of arc-shaped baffles (11) is zero, the adjacent arc-shaped baffles (11) are abutted without gaps.

2. The group supply air system according to claim 1, wherein the pipeline assembly (2) comprises a main air pipe (21) and a plurality of air supply hoses (22), the main air pipe (21) is connected to the air outlet end of a cold air main machine (S), a plurality of connecting positions (21a) are arranged on the main air pipe (21), the first end of each air supply hose (22) is clamped with a different connecting position (21a) and communicates with the main air pipe (21), and the second end of the air supply hose (22) extends to the air inlet end of the device.

3. The group supply air system of claim 2, wherein, The second end of the first connecting rod (131) passes through the arc-shaped through hole (13a) on the first limiting ring (133) and is connected with a limiting strip (135), the second end of the second connecting rod (132) passes through the arc-shaped through hole (13a) on the second limiting ring (134) and is fixedly connected with one side of the rotating ring (14), and the rotating ring (14) is connected with the servo steering engine (3) through the transmission member.

4. The group supply air system of claim 2, wherein, The transmission device (13) further comprises a circumferentially closed sleeve (136) connected between the first limiting ring (133) and the second limiting ring (134), a plurality of U-shaped rotating shafts (111) are arranged in the circumferentially closed sleeve (136), the plurality of U-shaped rotating shafts (111) are arranged in the circumferential direction of the circumferentially closed sleeve (136) and correspond to the arc-shaped baffles (11) one by one, and the arc-shaped baffles (11) are pivotally connected with the corresponding U-shaped rotating shafts (111).

5. The group supply air system of claim 2, wherein, The first side of the sleeve (12) is fixedly connected to one side of the first limiting ring (133) away from the second limiting ring (134), the second side of the sleeve (12) is connected to the air outlet end of the air supply hose (22), the transmission member comprises a curved rod (5), the first end of the curved rod (5) is hingedly connected to the output end of the servo steering engine (3), and the second end of the curved rod (5) is hingedly connected to the rotating ring (14).

6. The group supply air system of claim 2, wherein, The temperature sensor group comprises at least one first sensor (a), at least one second sensor (b) and at least one third sensor (c), the first sensor (a) is arranged at the air outlet end of the cold air host (S) and is adapted to monitor the air outlet temperature, the second sensor (b) is arranged at the air inlet side of the device and is adapted to monitor the device temperature, and the third sensor (c) is arranged inside the site and is adapted to monitor the environment temperature.

7. A duct air volume control method for air volume adjustment of the group air supply system of the apparatuses according to any one of claims 1 to 6, characterized by, The control method comprises the following steps: obtaining the air outlet temperature, the device temperature and the environment temperature through the temperature sensor group, and calculating the average environment temperature per hour according to the environment temperature; adjusting the set temperature of the cold air host (S) in real time according to the air outlet temperature, the device temperature and the average environment temperature; setting the maximum analog signal M of the Arduino board (4) according to the maximum central angle that each arc-shaped baffle (11) can rotate through, wherein the analog signal range output by the Arduino board (4) is 4-M; calculating the temperature difference between the device temperature and the air outlet temperature to adjust the analog signal output by the Arduino board (4) in real time, wherein the analog signal corresponds to the position signal of the servo steering engine (3).

8. The duct air volume control method according to claim 7, wherein The analog signal output by the Arduino board (4) is denoted as Y, the average environment temperature is denoted as Te, and the set temperature of the cold air host (S) is denoted as Ts. Y=4+(M-4)*(To-Ti)*Kp, wherein Kp is a control proportionality set, To is a device temperature, Ti is an air outlet temperature, M is a maximum analog signal, the range of Kp is 1-2; the range of Ts is 18-26 DEG C, when Te is greater than or equal to 28 DEG C, Ts=Te-10 DEG C; when Te is less than 28 DEG C, Ts=18 DEG C.

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