Temperature regulation energy saving method and system

By introducing a combined system of air storage tank and regulator in the machine room, and by combining a system of supplying and receiving outdoor ambient temperature regulators, the problem of achieving continuous gas temperature regulation, which is difficult to achieve in the prior art, is solved.

CN115802715BActive Publication Date: 2026-01-06CHINA TELECOM CORP LTD
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Patent Information

Application Number
CN202211548435.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-05
Publication Date
2026-01-06
Estimated Expiration
2042-12-05

AI Technical Summary

Technical Problem

In existing technologies, temperature regulation in computer rooms requires air conditioning to operate in cooling mode continuously, resulting in high energy consumption and difficulty in achieving energy-saving effects.

Method used

The system employs a combination of an air storage tank and a temperature regulator. By judging the outdoor ambient temperature, it controls the ventilation mechanism to introduce fresh outdoor air and return air from the machine room into the air storage tank, ensuring that the temperature inside the air storage tank is within a preset range. The temperature regulator operates in the air supply mode to achieve gas temperature regulation.

Benefits of technology

It reduces energy consumption, improves energy efficiency, and enables the secondary use of return air in the computer room, reducing reliance on additional heat sources and ensuring continuous temperature regulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a temperature regulation energy-saving method and system. The method includes determining whether the outdoor ambient temperature is lower than the lower limit of a preset temperature range; if so, controlling the ventilation mechanism to allow fresh outdoor air to enter the air storage tank and allowing the air storage tank to supply return air to the machine room through the exhaust duct; when the temperature in the air storage tank is within the preset temperature range, controlling the temperature regulator to operate in supply air mode to regulate the temperature of the air entering the machine room. In this energy-saving method, when the outdoor ambient temperature is lower than the lower limit of the preset temperature range, the secondary utilization of the machine room return air allows the temperature regulator to operate in supply air mode, thus meeting the temperature regulation needs of the machine room, reducing energy consumption, and improving energy-saving performance.
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Description

Technical Field

[0001] This application relates to the field of temperature regulation, and in particular to energy-saving methods and systems for temperature regulation. Background Technology

[0002] To ensure the operational stability and lifespan of the internal equipment in the computer room, the temperature inside the computer room must be kept within the optimal temperature range.

[0003] In existing technologies, air conditioning is usually used to regulate the temperature in the computer room so that the temperature in the computer room is kept within the optimal temperature range. The air return method of the air conditioning is mainly indoor air circulation, that is, the air conditioning uses the hot air exhausted in the computer room to return the air.

[0004] However, the hot air exhausted from the computer room is always above the optimal temperature range. Therefore, when adjusting the temperature of the computer room, the air conditioner needs to work in cooling mode all the time, which consumes a lot of energy. Summary of the Invention

[0005] In view of the above problems, embodiments of this application are proposed to provide a temperature regulation energy-saving method, apparatus, electronic device and storage medium that overcomes or at least partially solves the above problems.

[0006] In a first aspect, the present invention provides a temperature regulation and energy-saving method, applied to a temperature regulator included in a temperature regulation and energy-saving system. The temperature regulation and energy-saving system further includes an air storage tank. The temperature regulator has an air inlet and an air outlet. The air inlet is connected to the air storage tank, the air storage tank is connected to the outside environment, and the air outlet is connected to a machine room. The air storage tank is equipped with a ventilation mechanism. The method includes:

[0007] Determine whether the outdoor ambient temperature is lower than the lower limit of the preset temperature range;

[0008] If so, control the ventilation mechanism to allow fresh outdoor air to enter the air storage tank and allow the air storage tank to be vented into the machine room return air through the exhaust duct of the machine room.

[0009] When the temperature in the air storage tank is within the preset temperature range, the operating mode of the temperature regulator is controlled to be the air supply mode, so as to regulate the temperature of the gas sent into the machine room through the air outlet.

[0010] Optionally, the wind storage tank is provided with a first air duct and a second air duct. The first air duct is used to connect to the outside, and the second air duct is used to connect to the exhaust duct. A first wind baffle is provided in the first air duct, and a second wind baffle is provided in the second air duct. The ventilation mechanism includes a first driving component connected to the first wind baffle and a second driving component connected to the second wind baffle.

[0011] Controlling the operation of the ventilation mechanism includes:

[0012] The first driving component is controlled to operate so that the first wind deflector is in the open state, and the second driving component is controlled to operate so that the second wind deflector is in the open state.

[0013] Optionally, a first temperature sensor for measuring the outdoor ambient temperature is installed in the first air duct, and a second temperature sensor for measuring the return air temperature of the computer room is installed in the second air duct.

[0014] Before the step of determining whether the outdoor ambient temperature is lower than the lower limit of the preset temperature range, the method further includes:

[0015] Receive the outdoor ambient temperature measured by the first temperature sensor, and receive the return air temperature of the computer room measured by the second temperature sensor;

[0016] The step of controlling the first driving component to operate, so that the first wind deflector is in the open state, and controlling the second driving component to operate, so that the second wind deflector is in the open state, includes:

[0017] Based on the outdoor ambient temperature, the computer room return air temperature, and the preset temperature range, determine the first opening degree of the first wind deflector and the second opening degree of the second wind deflector;

[0018] The first drive component is controlled to operate according to the first opening degree so that the first wind deflector is in the open state, and the second drive component is controlled to operate according to the second opening degree so that the second wind deflector is in the open state.

[0019] Optionally, a third temperature sensor is installed in the air storage tank; when the temperature in the air storage tank is within the preset temperature range, controlling the operating mode of the temperature regulator to be air supply mode includes:

[0020] Receive the third temperature measured by the third temperature sensor;

[0021] Determine whether the third temperature is within the preset temperature range;

[0022] If so, the operating mode of the temperature regulator is controlled to be the air supply mode.

[0023] Optionally, after the step of determining whether the outdoor ambient temperature is lower than the lower limit of a preset temperature range, the method further includes:

[0024] If not, determine whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range;

[0025] If so, determine whether the outdoor ambient temperature is lower than the computer room return air temperature;

[0026] If so, the ventilation mechanism is controlled to operate so that the outdoor fresh air is introduced into the air storage tank, and the operating mode of the temperature regulator is controlled to be cooling mode.

[0027] Optionally, after the step of controlling the operating mode of the temperature regulator to cooling mode, the method further includes:

[0028] Generate a first difference between the outdoor ambient temperature and the upper limit of the preset temperature range;

[0029] The cooling parameters of the temperature regulator are determined based on the first difference.

[0030] Optionally, after the step of determining whether the outdoor ambient temperature is lower than the return air temperature of the computer room, the method further includes:

[0031] If not, control the ventilation mechanism to operate so that the air storage tank can supply return air to the machine room, and control the temperature regulator to operate in cooling mode.

[0032] Optionally, after the step of determining whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range, the method further includes:

[0033] If not, control the ventilation mechanism to operate so that fresh outdoor air is introduced into the air storage tank, and control the operating mode of the temperature regulator to air supply mode.

[0034] Secondly, the present invention provides a temperature regulation and energy-saving system, including an air storage tank and a temperature regulator. The temperature regulator has an air inlet and an air outlet. The air inlet is used to connect with the air storage tank, the air storage tank is used to connect with the outside, and the air outlet is connected with the machine room. The air storage tank is equipped with a ventilation mechanism.

[0035] The temperature regulator is used to determine whether the outdoor ambient temperature is less than or equal to the lower limit of a preset temperature range; if so, it controls the ventilation mechanism to operate so that fresh outdoor air is introduced into the air storage tank and return air is introduced into the machine room through the exhaust duct of the machine room; when the temperature in the air storage tank is within the preset temperature range, the operating mode of the temperature regulator is controlled to be the air supply mode to regulate the temperature of the gas entering the machine room.

[0036] Optionally, the wind storage tank is provided with a first air duct and a second air duct. The first air duct is used to connect to the outside, and the second air duct is used to connect to the exhaust duct. A first wind baffle is provided in the first air duct, and a second wind baffle is provided in the second air duct. The ventilation mechanism includes a first driving component connected to the first wind baffle and a second driving component connected to the second wind baffle.

[0037] The temperature regulator is also used to control the first driving component to operate so that the first wind deflector is in the open state, and to control the second driving component to operate so that the second wind deflector is in the open state.

[0038] In this embodiment of the invention, outdoor fresh air can be introduced into the air storage tank. When the outdoor ambient temperature is lower than the lower limit of the preset temperature range, the ventilation mechanism can be controlled to allow outdoor fresh air and return air from the machine room to enter the air storage tank, ensuring that the temperature inside the air storage tank remains within the preset temperature range. Since the air inlet of the temperature regulator is connected to the air storage tank (i.e., the temperature regulator draws air from the air storage tank), when the temperature inside the air storage tank is within the preset temperature range, the temperature regulator does not need to perform cooling or heating; it only needs to draw air from the air storage tank and deliver it to the machine room through the air outlet. That is, when the outdoor ambient temperature is lower than the lower limit of the preset temperature range, the temperature regulator can meet the temperature regulation needs of the computer room by reusing the return air of the computer room, so that it can operate in the air supply mode, thereby reducing energy consumption and improving energy saving. In addition, in this embodiment of the invention, when the temperature regulator operates in the air supply mode, it also realizes the secondary utilization of the return air of the computer room, without the need for an additional heat source, further improving the energy saving effect. Furthermore, by setting up an air storage tank, gas with a temperature within the preset temperature range can be stored, which can ensure the continuity of air intake at the air inlet of the temperature regulator. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0040] Figure 1 This is a flowchart illustrating the steps of a temperature regulation and energy-saving method provided in an embodiment of the present invention;

[0041] Figure 2 This is a flowchart of another temperature regulation and energy-saving method provided in an embodiment of the present invention;

[0042] Figure 3 This is a schematic diagram of the structure of a temperature regulation and energy-saving system provided in an embodiment of the present invention. Figure 1 ;

[0043] Figure 4 This is a schematic diagram of the structure of a temperature regulation and energy-saving system provided in an embodiment of the present invention. Figure 2 .

[0044] Figure label:

[0045] 10-Temperature regulator, 11-Air inlet, 12-Air outlet, 20-Air storage tank, 21-First air duct, 22-Second air duct, 23-First baffle, 24-Second baffle, 25-Third temperature sensor, 26-Third air duct, 27-Third baffle, 28-Fan, 30-Computer room, 31-Rack, 32-Air supply duct, 33-Exhaust duct, 211-First temperature sensor, 212-First flow sensor, 221-Second temperature sensor, 222-Second flow sensor. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] It should be noted that the embodiments of the present invention can be applied to scenarios involving temperature regulation in computer rooms. Currently, the return air method of air conditioners used for temperature regulation in computer rooms is mainly indoor air circulation, meaning the air conditioner uses the hot air exhausted from the computer room for return air. However, the hot air exhausted from the computer room is always above the optimal temperature range; therefore, when regulating the temperature of the computer room, the air conditioner needs to operate in cooling mode continuously. To improve the energy-saving effect of air conditioning, existing technologies require analyzing the factors affecting the energy-saving effect of air conditioning and establishing mathematical models for the corresponding factors. Different optimization algorithms are then used to improve the energy-saving effect. However, establishing mathematical models for different influencing factors in the computer room environment is sometimes difficult. For example, establishing a mathematical model for the temperature in the computer room is very challenging, making it difficult to achieve real-time output and resulting in unsatisfactory energy-saving effects. To reduce energy consumption and improve energy-saving effects, the embodiments of the present invention provide a temperature regulation energy-saving method and system.

[0048] Reference Figure 1 and Figure 3This invention provides a temperature regulation energy-saving method, specifically applied to a temperature regulator 10 in a temperature regulation energy-saving system. The temperature regulation energy-saving system includes a temperature regulator 10 and an air storage tank 20. The temperature regulator 10 has an air inlet 11 and an air outlet 12. The air inlet 11 is connected to the air storage tank 20, the air storage tank 20 is connected to the outside, and the air outlet 12 is connected to a machine room 30. The air storage tank 20 is equipped with a ventilation mechanism.

[0049] The server room 30 houses multiple server racks 31. The server room 30 is equipped with air supply ducts 32 and exhaust ducts 33, which are connected to the server racks 31. Specifically, each server rack 31 has an air supply vent at its lower part, which is connected to the air supply duct 32. Each server rack 31 also has an exhaust vent at its upper part, which is connected to the exhaust duct 33. The air outlet 12 is specifically connected to the air supply duct 32 of the server room 30, allowing the air exiting the outlet 12 to be delivered directly into the server racks 31 via the air supply duct 32. This reduces energy consumption and avoids the high energy consumption caused by sending air from the outlet 12 directly into the server room 30. In other embodiments, the air supply duct 32 and exhaust duct 33 can be directly connected to the server room 30.

[0050] The temperature regulator includes a processor capable of executing temperature regulation energy-saving methods. The temperature regulator is used for temperature regulation and has both cooling and air supply functions; it may include an air conditioner. In other embodiments, it may also include a fan cooler, etc. When the temperature regulator includes an air conditioner, the air conditioner can be a split-type air conditioner, comprising an outdoor unit and an indoor unit. The outdoor unit can be located outdoors, and the indoor unit can be located indoors. The air inlet 11 is located on the outdoor unit, and the air outlet 12 is located on the indoor unit. In other embodiments, the air conditioner may also be an integrated air conditioner.

[0051] The air storage tank 20 can be a square box structure and can be installed indoors or outdoors. The air storage tank 20 has an air storage chamber with a volume of V1 cubic meters, meaning it can store V1 cubic meters of gas, which can be air. The value of V1 can be set according to actual needs, such as 0.5, 1, 2, etc. The air storage tank 20 is used to introduce fresh outdoor air from the outdoor environment and return air from the exhaust duct 33 of the machine room 30. The ventilation mechanism is specifically used to control the introduction of fresh outdoor air and / or return air from the machine room 20.

[0052] The temperature regulation and energy-saving method provided in this embodiment of the invention, applied to the processor of a temperature regulator, includes the following steps:

[0053] Step 101: Determine whether the outdoor ambient temperature is lower than the lower limit of the preset temperature range.

[0054] Specifically, the outdoor ambient temperature refers to the temperature of the outdoor environment, and the air storage tank 20 is used to introduce fresh outdoor air from this environment. The outdoor ambient temperature is represented by T1 degrees Celsius. The preset temperature range refers to the suitable temperature range for the multiple server racks 31 within the server room 30 to operate. The preset temperature range is represented by T2 degrees Celsius - T3 degrees Celsius, meaning T2 is the lower limit of the preset temperature range, and T3 is the upper limit. T2 can be 18-21 degrees Celsius, and T3 can be 25-28 degrees Celsius. Specifically, the preset temperature range can be 19 degrees Celsius - 28 degrees Celsius, meaning the lower limit is 19 degrees Celsius and the upper limit is 28 degrees Celsius.

[0055] Step 102, if yes, then control the ventilation mechanism to allow fresh outdoor air to enter the air storage tank 20 and allow the air storage tank 20 to be connected to the return air of the machine room through the exhaust duct 33 of the machine room 30.

[0056] Specifically, if the outdoor ambient temperature is determined to be lower than the lower limit of the preset temperature range (i.e., outdoor ambient temperature T1 is lower than the lower limit T2 of the preset temperature range), the ventilation mechanism can be controlled to allow outdoor fresh air and server room return air to enter the air storage tank 20. Server room return air is the return air discharged from the exhaust duct 33 of the server room 30 after heat exchange with the server rack 31. The temperature of the server room return air is generally higher than the upper limit of the preset temperature range, meaning the server room return air temperature is relatively high. The server room return air temperature can be expressed as T4 degrees Celsius, where T4 is greater than T3. When outdoor fresh air and server room return air are simultaneously introduced into the air storage tank 20, the lower-temperature outdoor fresh air will mix with the higher-temperature server room return air, ensuring that the temperature of the mixed gas in the air storage tank 20 is within the preset temperature range.

[0057] Step 103: When the temperature in the air storage tank 20 is within the preset temperature range, the operating mode of the temperature regulator 10 is controlled to be the air supply mode, so as to regulate the temperature of the gas sent into the machine room 30 through the air outlet 12.

[0058] Specifically, when the temperature regulator 10 operates in the air supply mode, it only supplies air entering through the inlet 11 to the outlet 12. Therefore, energy consumption is low when the temperature regulator 10 operates in the air supply mode. Since the inlet 11 of the temperature regulator 10 is connected to the air storage tank 20, meaning the temperature regulator 10 draws air from the air storage tank 20, when the temperature within the air storage tank 20 is within the preset temperature range, the temperature regulator 10 operates in the air supply mode, ensuring that the temperature of the gas supplied to the machine room 30 through the outlet 12 remains within the preset temperature range.

[0059] In this embodiment of the invention, outdoor fresh air can be introduced into the air storage tank 20. When the outdoor ambient temperature is lower than the lower limit of the preset temperature range, the ventilation mechanism can be controlled to allow outdoor fresh air and machine room return air to enter the air storage tank 20, so that the temperature inside the air storage tank 20 can be kept within the preset temperature range. Since the air inlet 11 of the temperature regulator 10 is connected to the air storage tank 20, that is, the temperature regulator 10 draws air from the air storage tank 20, when the temperature inside the air storage tank 20 is within the preset temperature range, the temperature regulator 10 does not need to perform cooling or heating; it only needs to draw air from the air storage tank 20 and deliver air through the air outlet 12. The temperature regulation needs of the computer room 30 can be met by utilizing the return air from the computer room when the outdoor ambient temperature is lower than the lower limit of the preset temperature range. This reduces energy consumption and improves energy efficiency. In addition, in this embodiment of the invention, when the temperature regulator 10 is operating in the supply air mode, it also realizes the secondary utilization of the return air from the computer room, eliminating the need for an additional heat source and further improving energy efficiency. Furthermore, the air storage tank 20 can store gas with a temperature within the preset temperature range, ensuring the continuity of air intake at the air inlet 11 of the temperature regulator 10.

[0060] Optionally, refer to Figure 3 The wind storage tank 20 is provided with a first air duct 21 and a second air duct 22. The first air duct 21 is used to connect to the outside, and the second air duct 22 is used to connect to the exhaust duct 33. A first wind baffle 23 is provided in the first air duct 21, and a second wind baffle 24 is provided in the second air duct 22. The ventilation mechanism includes a first driving component connected to the first wind baffle 23 and a second driving component connected to the second wind baffle 24.

[0061] Specifically, a first ventilation opening is provided on the right side of the air storage tank 20, and a second ventilation opening is provided on the upper side of the air storage tank 20. The first ventilation opening is connected to the first air duct 21, and the second ventilation opening is connected to the second air duct 22. A first baffle plate 23 is provided on the first air duct 21 near the first ventilation opening. The first baffle plate 23 is used to block or open the first ventilation opening. When the first baffle plate 23 blocks the first ventilation opening, outdoor fresh air cannot enter the air storage tank 20; when the first baffle plate 23 is used to open the first ventilation opening, outdoor fresh air can enter the air storage tank 20. A second baffle plate 24 is provided on the second air duct 22 near the second ventilation opening. The second baffle plate 24 is used to block or open the second ventilation opening. When the second baffle plate 24 blocks the second ventilation opening, the return air from the machine room cannot enter the air storage tank 20; when the second baffle plate 24 is used to open the second ventilation opening, the return air from the machine room can enter the air storage tank 20.

[0062] A first hinge shaft can be provided on one side of the first wind deflector 23. The first wind deflector 23 can be hinged to the first air duct 21 via the first hinge shaft, and the first wind deflector 23 can rotate around the first hinge shaft. Specifically, a first hinge shaft is fixed to one side of the first wind deflector 23, and the first hinge shaft is rotatably connected to the first air duct 21. When the first hinge shaft rotates, the first wind deflector 23 can rotate with the rotation of the first hinge shaft. A first driving member is used to drive the first wind deflector 23. The first driving member is connected to the first wind deflector 23 via the first hinge shaft. The first driving member can be a first driving motor, which is connected to one end of the first hinge shaft to drive the rotation of the first hinge shaft. The first driving motor can be installed on the outer wall of the air storage tank 20. It should be noted that in other ways, the first driving member can also be a servo motor connected to the first hinge shaft, or a linkage drive mechanism connected to the first wind deflector 23. The first driving member is electrically connected to the processor of the temperature regulator 10.

[0063] A second hinge shaft can be provided on one side of the second baffle plate 24. The second baffle plate 24 can be hinged to the second air duct 22 via the second hinge shaft, and the second baffle plate 24 can rotate around the second hinge shaft. Specifically, a second hinge shaft can be fixed to one side of the second baffle plate 24, and the second hinge shaft is rotatably mounted on the second air duct 22. When the second hinge shaft rotates, the second baffle plate 24 can rotate with the rotation of the second hinge shaft. A second driving member is used to drive the second baffle plate 24. The second driving member is connected to the second baffle plate 24 via the second hinge shaft. The second driving member can be a second driving motor, which is connected to one end of the second hinge shaft to drive the rotation of the second hinge shaft. The second driving motor can be installed on the outer wall of the air storage tank 20. The second driving member is electrically connected to the processor of the temperature regulator 10.

[0064] Step 102 involves controlling the ventilation mechanism to operate, including:

[0065] The first driving component is controlled to operate so that the first wind deflector 23 is in the open state, and the second driving component is controlled to operate so that the second wind deflector 24 is in the open state.

[0066] Specifically, when the first baffle 23 is in the open state, it opens the first ventilation opening, allowing fresh outdoor air to enter the air storage tank 20. When the second baffle 24 is in the open state, it opens the second ventilation opening, allowing return air from the machine room to enter the air storage tank 20. In this invention, the arrangement of the first air duct 21, the second air duct 22, the first baffle 23, the second baffle 24, the first driving component, and the second driving component enables control over whether fresh outdoor air and return air from the machine room enter the air storage tank 20; moreover, the structure is simple and the cost is low.

[0067] Optionally, a first temperature sensor 211 for measuring the outdoor ambient temperature is installed in the first air duct 21, and a second temperature sensor 221 for measuring the return air temperature of the computer room is installed in the second air duct 22. The return air temperature of the computer room is the temperature of the return air of the computer room in the second air duct 22.

[0068] Reference Figure 2 Before step 101, the following also includes:

[0069] Step 104: Receive the outdoor ambient temperature measured by the first temperature sensor 211 and the return air temperature of the computer room measured by the second temperature sensor 221.

[0070] Specifically, refer to Figure 4 The first temperature sensor 211 and the second temperature sensor 221 are electrically connected to the processor of the temperature regulator 10. The first temperature sensor 211 can send the measured outdoor ambient temperature T1 to the processor of the temperature regulator 10, and the second temperature sensor 221 can send the measured return air temperature T4 of the computer room to the processor of the temperature regulator 10. Both the first temperature sensor 211 and the second temperature sensor 221 can be miniature temperature sensors.

[0071] Controlling the first driving component to operate, so that the first wind deflector 23 is in the open state, and controlling the second driving component to operate, so that the second wind deflector 24 is in the open state, includes:

[0072] Based on the outdoor ambient temperature, the return air temperature of the computer room, and the preset temperature range, determine the first opening degree of the first wind deflector 23 and the second opening degree of the second wind deflector 24.

[0073] Specifically, the first opening of the first baffle plate 23 and the second opening of the second baffle plate 24 are the rotation angles of the first baffle plate 23 and the second baffle plate 24, respectively. When outdoor fresh air and machine room return air are simultaneously introduced into the air storage tank 20, the volume of the outdoor fresh air is represented by V1, and the volume of the machine room return air is represented by V4. The lower-temperature outdoor fresh air will mix with the higher-temperature machine room return air. The theoretical temperature of the mixed gas is represented by T0 degrees Celsius, and the theoretical temperature T0 of the mixed gas must meet the preset temperature range. Therefore, in the approximate calculation, the theoretical temperature T0 of the mixed gas is T0 = (T1 × V1 + T4 × V4) / V1 + V4. According to this formula, V1 / V4 = (T4 - T0) / (T0 - T1).

[0074] If the cross-sectional areas of the first air duct 21 and the second air duct 22 are the same, and the areas of the first ventilation opening and the second ventilation opening are also the same, then the larger the opening of the first baffle 23, the more fresh outdoor air enters, and the greater the intake airflow of the fresh outdoor air. Therefore, the ratio of the first opening to the second opening can be set to the ratio of V1 / V4. T0 can be determined according to the preset temperature range. For example, T0 can be set to the lower limit of the preset temperature range, T2+2. Then, the ratio of the first opening to the second opening is equal to V1 / V4, which is equal to (T4-T2-2) / (T2+2-T1), where T2 is a preset known value, T1 is the outdoor ambient temperature measured by the first temperature sensor 211, and T4 is the return air temperature of the computer room measured by the second temperature sensor 221. Therefore, the ratio of the first opening to the second opening can be determined based on the outdoor ambient temperature, the return air temperature of the computer room, and the preset temperature range. The actual rotation range of both the first wind deflector 23 and the second wind deflector 24 is 0 degrees to 90 degrees, meaning the range of the first opening and the second opening is greater than 0 and less than or equal to 90 degrees. For example... Figure 3 As shown, when the first baffle plate 23 rotates 90 degrees counterclockwise towards the air storage tank 20, and the second baffle plate 24 rotates 90 degrees counterclockwise towards the air storage tank 20, the first baffle plate 23 is parallel to the length direction of the first air duct 21 (i.e., the direction of outdoor fresh air intake), and the second baffle plate 24 is parallel to the length direction of the second air duct 22 (i.e., the direction of machine room return air intake), both the first and second ventilation openings are fully open. After determining the ratio of the first opening degree to the second opening degree, the sum of the first opening degree and the second opening degree can be set to 90, thus finally determining the first opening degree and the second opening degree.

[0075] The first drive component is controlled to operate according to the first opening degree so that the first wind deflector 23 is in the open state, and the second drive component is controlled to operate according to the second opening degree so that the second wind deflector 24 is in the open state.

[0076] Specifically, the first driving component is controlled to operate according to the first opening degree, which in turn controls the first hinge shaft to rotate by the first opening degree, so that the first baffle 23 is in the open state. The second driving component is controlled to operate according to the second opening degree, which in turn controls the second hinge shaft to rotate by the second opening degree, so that the second baffle 24 is in the open state. In this embodiment of the invention, by determining the first and second opening degrees and controlling the first and second driving components to operate according to the first and second opening degrees respectively, the temperature inside the wind storage tank 20 can be quickly brought within a preset temperature range, avoiding the situation where the temperature inside the wind storage tank 20 is always outside the preset temperature range when the opening degrees of the first baffle 23 and the second baffle 24 are the same.

[0077] Optionally, a third temperature sensor 25 is installed inside the air storage tank 20.

[0078] In step 103, when the temperature within the air storage tank 20 is within a preset temperature range, the operating mode of the temperature regulator 10 is set to air supply mode, including:

[0079] Receive the third temperature measured by the third temperature sensor 25; determine whether the third temperature is within the preset temperature range; if so, control the operating mode of the temperature regulator 10 to be the air supply mode.

[0080] Specifically, the third temperature sensor 25 is used to measure the temperature inside the wind storage tank 20, and the value measured by the third temperature sensor 25 is the third temperature. The third temperature sensor 25 is electrically connected to the processor of the temperature regulator 10, and the third temperature sensor 25 can send the measured third temperature to the processor of the temperature regulator 10. In this embodiment of the invention, the temperature inside the wind storage tank can be measured by the third temperature sensor installed inside the wind storage tank, and the cost is low.

[0081] Optionally, after step 101, the following steps are also included:

[0082] Step 105: If not, determine whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range.

[0083] Specifically, the preset temperature range is a temperature range. If the result of step 101 in judging whether the outdoor ambient temperature is less than the lower limit of the preset temperature range is no, that is, when the outdoor ambient temperature is not less than the lower limit of the preset temperature range, the outdoor ambient temperature may be within the preset temperature range or may be greater than the upper limit of the preset temperature range. Therefore, it is necessary to continue to judge whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range.

[0084] Step 106: If yes, determine whether the outdoor ambient temperature is lower than the return air temperature of the computer room.

[0085] Specifically, if the outdoor ambient temperature is determined to be higher than the upper limit of the preset temperature range, then the operating mode of the temperature regulator 10 needs to be set to cooling mode. In cooling mode, the smaller the difference between the temperature of the air entering through the air inlet 11 and the temperature of the air exiting through the air outlet 12 of the temperature regulator 10, the lower the energy consumption of the temperature regulator 10. Therefore, it is also necessary to determine whether the outdoor ambient temperature is lower than the return air temperature of the computer room, so that the temperature of the air entering through the air inlet 11 of the temperature regulator 10 is relatively low, further reducing energy consumption.

[0086] Step 107: If yes, control the ventilation mechanism to allow fresh outdoor air to enter the air storage tank 20, and control the operating mode of the temperature regulator 10 to cooling mode.

[0087] Specifically, if it is determined that the outdoor ambient temperature is lower than the return air temperature of the computer room, then the outdoor ambient temperature is lower than the return air temperature of the computer room. At this time, the first drive mechanism is controlled to operate, so that the first baffle 23 is in the open state, and the first opening degree of the first baffle 23 is 90 degrees, so that the air storage tank 20 can be supplied with fresh outdoor air. The second baffle 24 must also be in the closed state. When the second baffle 24 is in the closed state, it blocks the second ventilation opening, preventing the return air from the computer room from entering the air storage tank 20. At this time, the air inlet 11 only receives air from the outside through the air storage tank 20. Afterwards, the operating mode of the temperature regulator 10 is controlled to be cooling mode, so that the temperature of the air outlet 12 of the temperature regulator 10 is within the preset temperature range. In this embodiment, by controlling the operating mode of the temperature regulator 10 to cooling mode when the outdoor ambient temperature is greater than the upper limit of the preset temperature range, continuous temperature regulation of the gas supplied to the air supply channel 32 of the computer room 30 can be ensured.

[0088] Optionally, after step 107, the following steps are also included:

[0089] Step 108: Generate the first difference between the outdoor ambient temperature and the upper limit of the preset temperature range.

[0090] Specifically, the first difference is a positive number, which is the value obtained by subtracting the outdoor ambient temperature from the upper limit of the preset temperature range. The range of the first difference is greater than 0 and less than or equal to 30.

[0091] Step 109: Determine the cooling parameters of the temperature regulator 10 based on the first difference.

[0092] Specifically, the relevant operating parameters of the temperature regulator 10 when it operates in cooling mode are the cooling parameters. The larger the first difference, the larger the cooling parameters can be. For example, the cooling parameters can be the temperature of the air outlet 12. Specifically, the temperature of the air outlet 12 can be determined according to the first rule and the first difference. The first rule is: when the first difference is greater than 0 and less than or equal to 5, the temperature of the air outlet 12 is determined to be the upper limit of the preset temperature range minus 2; when the first difference is greater than 5 and less than or equal to 10, the temperature of the air outlet 12 is determined to be the upper limit of the preset temperature range minus 1; when the first difference is greater than 10, the temperature of the air outlet 12 is determined to be the upper limit of the preset temperature range. In this embodiment, determining the cooling parameters of the temperature regulator 10 according to the first difference ensures that the temperature regulator 10 maintains low power consumption when operating in cooling mode, further improving the energy-saving effect. In addition, this embodiment of the invention recycles and reuses the return air of the computer room, so the temperature regulator 10 does not need a heating mode, only a supply air mode and a cooling mode. Furthermore, the cooling mode employs low-power technology to minimize the cooling parameters of the temperature regulator 10, thereby reducing energy consumption and improving energy-saving performance.

[0093] Optionally, after step 106, the following steps are also included:

[0094] Step 110: If not, control the ventilation mechanism to allow the air storage tank 20 to supply return air to the machine room, and control the operating mode of the temperature regulator 10 to cooling mode.

[0095] Specifically, if the result of determining whether the outdoor ambient temperature is lower than the computer room return air temperature in step 106 is negative, that is, if the outdoor ambient temperature is determined to be not lower than the computer room return air temperature, then the computer room return air temperature is less than or equal to the outdoor ambient temperature. In this case, if air is drawn in from the outside, the energy consumption of the temperature regulator 10 will be high. Therefore, drawing air from the exhaust duct 33, where the outdoor ambient temperature is less than or equal to the outdoor ambient temperature, can ensure that the energy consumption of the temperature regulator 10 is low.

[0096] If it is determined that the outdoor ambient temperature is not lower than the return air temperature of the computer room, the second drive component is controlled to operate, so that the second baffle 24 is in working condition, and the first opening degree of the second baffle 24 is 90 degrees, so that the return air of the computer room can be introduced into the air storage tank 20. The first baffle 23 must also be in a closed state. When the first baffle 23 is in a closed state, it blocks the first ventilation opening, preventing outdoor fresh air from entering the air storage tank 20. At this time, the air inlet 11 only draws air from the exhaust duct 33 through the air storage tank 20. Afterwards, the operating mode of the temperature regulator 10 is controlled to be cooling mode, so that the temperature of the air outlet 12 of the temperature regulator 10 is within a preset temperature range. In this embodiment of the invention, by setting the air storage tank 20 to allow return air into the computer room when it is determined that the outdoor ambient temperature is not lower than the return air temperature of the computer room, and controlling the operating mode of the temperature regulator 10 to cooling mode, the temperature of the air entering the air inlet 11 of the temperature regulator 10 can be relatively low, further reducing energy consumption.

[0097] Optionally, after step 105, the following steps are also included:

[0098] Step 111: If not, control the ventilation mechanism to allow fresh outdoor air to enter the air storage tank 20, and control the operating mode of the temperature regulator 10 to the air supply mode.

[0099] Specifically, if the result of determining whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range in step 105 is negative, then the outdoor ambient temperature is not greater than the upper limit of the preset temperature range. In this case, the outdoor ambient temperature is within the preset temperature range, meaning it is greater than or equal to the lower limit of the preset temperature range and less than or equal to the upper limit. At this time, the temperature regulator 10 only needs to operate in air supply mode to ensure that the temperature of the gas supplied to the air supply channel 32 of the machine room 30 through the air outlet 12 is within the preset temperature range.

[0100] The ventilation mechanism is controlled by controlling the first drive mechanism to open the first baffle 23 to a 90° opening degree, allowing fresh outdoor air to enter the air storage tank 20. Simultaneously, the second baffle 24 must be closed. When the second baffle 24 is closed, it blocks the second ventilation opening, preventing return air from the machine room from entering the air storage tank 20. At this time, the air inlet 11 draws air from the outside only through the air storage tank 20. Afterward, the temperature regulator 10 is switched to a supply air mode. In this embodiment, by controlling the temperature regulator 10 to operate in supply air mode, energy consumption is reduced, and energy-saving effects are improved.

[0101] Reference Figure 3 Secondly, embodiments of the present invention provide a temperature regulation energy-saving system, including a temperature regulator 10 and an air storage tank 20. The temperature regulator 10 has an air inlet 11 and an air outlet 12. The air inlet 11 is used to connect with the air storage tank 20, the air storage tank 20 is used to connect with the outside, and the air outlet 12 is connected with the machine room 30. The air storage tank 20 is provided with a ventilation mechanism.

[0102] Temperature regulator 10 is used to determine whether the outdoor ambient temperature is lower than the lower limit of the preset temperature range; if so, it controls the ventilation mechanism to operate so that fresh outdoor air is introduced into the air storage tank 20 and return air is introduced into the machine room through the exhaust duct 32 of the machine room 30; when the temperature in the air storage tank 20 is within the preset temperature range, the operating mode of temperature regulator 10 is controlled to be the air supply mode to regulate the temperature of the gas supplied into the machine room 30 through the air outlet 12.

[0103] Optionally, the wind storage tank 20 is provided with a first air duct 21 and a second air duct 22. The first air duct 21 is used to connect to the outside, and the second air duct 22 is used to connect to the exhaust duct 33. A first wind baffle 23 is provided in the first air duct 21, and a second wind baffle 24 is provided in the second air duct 22. The ventilation mechanism includes a first driving component connected to the first wind baffle 23 and a second driving component connected to the second wind baffle 24.

[0104] The temperature regulator 10 is also used to control the first drive component to operate so that the first baffle 23 is in the open state, and to control the second drive component to operate so that the second baffle 24 is in the open state.

[0105] Optionally, a first temperature sensor 211 for measuring the outdoor ambient temperature is installed in the first air duct 21, and a second temperature sensor 221 for measuring the return air temperature of the computer room is installed in the second air duct 22. The return air temperature of the computer room is the temperature of the return air of the computer room in the second air duct 22.

[0106] The temperature regulator 10 is also used to receive the outdoor ambient temperature measured by the first temperature sensor 211 and the computer room return air temperature measured by the second temperature sensor 221; the temperature regulator 10 is also used to determine the first opening degree of the first wind deflector 23 and the second opening degree of the second wind deflector 24 according to the outdoor ambient temperature, the computer room return air temperature and the preset temperature range; control the first driving component to work according to the first opening degree so that the first wind deflector 23 is in the open state, and control the second driving component to work according to the second opening degree so that the second wind deflector 24 is in the open state.

[0107] Optionally, a third temperature sensor 25 is installed inside the air storage tank 20.

[0108] The temperature regulator 10 is also used to receive the third temperature measured by the third temperature sensor 25; determine whether the third temperature is within the preset temperature range; if so, control the operating mode of the temperature regulator 10 to be the air supply mode.

[0109] Optionally, the temperature regulator 10 is also used to determine whether the outdoor ambient temperature is greater than the upper limit of the preset temperature range if no; if yes, determine whether the outdoor ambient temperature is less than the return air temperature of the computer room; if yes, control the ventilation mechanism to operate so that the air storage tank 20 can be supplied with fresh outdoor air, and control the operating mode of the temperature regulator 10 to be cooling mode.

[0110] Optionally, the temperature regulator 10 is also used to generate a first difference between the outdoor ambient temperature and the upper limit of a preset temperature range; and to determine the cooling parameters of the temperature regulator 10 based on the first difference.

[0111] Optionally, the temperature regulator 10 is also used to control the ventilation mechanism to operate if not to allow the air storage tank 20 to supply return air to the machine room, and to control the operating mode of the temperature regulator 10 to the cooling mode.

[0112] Optionally, the temperature regulator 10 is also used to control the operation of the ventilation mechanism to allow fresh outdoor air to enter the air storage tank 20, and to control the operating mode of the temperature regulator 10 to be the air supply mode.

[0113] Optionally, the air storage tank 20 is also provided with a third air duct 26, which connects the air inlet 11 to the interior of the air storage tank 20. A third baffle 27 is provided inside the third air duct 26; the specific structure of the third baffle 27 can be referenced from the first baffle 23, and will not be described again here. It should be noted that when the temperature regulator 10 is working, the third baffle 27 can remain open, and the opening degree of the third baffle 27 can be set to the maximum value, i.e., 90 degrees. The third baffle 27 allows for control of the airflow entering through the air inlet 11. In other embodiments, a fourth baffle can be provided at the end of the exhaust duct 33 near the outside to control whether the return air from the machine room is exhausted outdoors.

[0114] A first flow sensor 212 is also installed inside the first air duct 21, and the first flow sensor 212 is electrically connected to the processor of the temperature regulator 10. The first flow sensor 212 is used to measure the flow rate of outdoor fresh air entering the air storage tank 20 when outdoor fresh air is introduced into the air storage tank 20. By setting the first flow sensor 212, when the flow rate of outdoor fresh air entering the air storage tank 20 is detected to be high or low, the flow rate of outdoor fresh air entering the air storage tank 20 can be changed by controlling the first baffle 23.

[0115] A second flow sensor 222 is also installed inside the second air duct 22, and the second flow sensor 222 is electrically connected to the processor of the temperature regulator 10. The second flow sensor 222 is used to measure the flow rate of the return air from the machine room entering the air storage tank 20 when it is introduced into the air storage tank 20. By setting the second flow sensor 222, when the flow rate of the return air from the machine room entering the air storage tank 20 is detected to be high or low, the flow rate of the return air from the machine room entering the air storage tank 20 can be changed by controlling the second baffle 24.

[0116] The air storage tank 20 is also equipped with a fan 28. The fan 28 ensures the rapid mixing of the return air from the machine room and the fresh air from the outside in the air storage tank 20. The fan 28 is electrically connected to the processor of the temperature regulator 10.

[0117] As the system implementation is basically similar to the method implementation, it is described in a relatively simple way. For relevant details, please refer to the description of the method implementation.

[0118] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0119] Similarly, it should be understood that, in order to simplify the invention and aid in understanding one or more of the various inventive aspects, in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof. However, this method of disclosure should not be construed as reflecting an intention that the claimed invention requires more features than expressly recited in each claim. Rather, as reflected in the following claims, inventive aspects lie in fewer than all features of a single foregoing disclosed embodiment. Therefore, the claims following the detailed description are hereby expressly incorporated into this detailed description, wherein each claim itself is a separate embodiment of the invention.

[0120] It should be noted that the above embodiments are illustrative of the invention and not restrictive, and that those skilled in the art can devise alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses should not be construed as limiting the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer.

[0121] In the unit claims that enumerate several means, several of these means may be embodied by the same hardware item. The use of the words first, second, and third, etc., does not indicate any order.

[0122] These words can be interpreted as names.

[0123] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0124] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention.

[0125] Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the invention shall be included within the scope of protection of this invention.

[0126] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited.

[0127] Therefore, any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this invention should be included within the protection scope of this invention. Thus, the protection of this invention...

[0128] The scope should be determined by the scope of protection of the claims.

[0129] It should be noted that the various data-related processes in the embodiments of the present invention are carried out in compliance with the relevant data protection laws and policies of the country where the location is located, and with the authorization granted by the owner of the corresponding device.

Claims

1. A temperature regulating energy saving method, characterized by, The application is applied to a temperature regulator of a temperature regulation energy-saving system, the temperature regulation energy-saving system further comprises a wind storage pool, the temperature regulator has an air inlet and an air outlet, the air inlet is used for being communicated with the wind storage pool, the wind storage pool is used for being communicated with the outdoor, the air outlet is communicated with a machine room, the wind storage pool is provided with a ventilation mechanism, and the method comprises the following steps: determining whether the outdoor environment temperature is less than the lower limit value of the preset temperature interval; if yes, controlling the ventilation mechanism to work, so that the outdoor fresh air is introduced into the wind storage pool, and the wind storage pool is communicated with the machine room return air through the exhaust air passage of the machine room; when the temperature in the wind storage pool is in the preset temperature interval, the operation mode of the temperature regulator is controlled to be the air supply mode, so as to adjust the temperature of the gas sent into the machine room through the air outlet; the wind storage pool is provided with a first air duct and a second air duct, the first air duct is used for being communicated with the outdoor, the second air duct is used for being communicated with the exhaust air passage, the first air duct is provided with a first baffle, the second air duct is provided with a second baffle, the ventilation mechanism comprises a first driving member connected with the first baffle and a second driving member connected with the second baffle; the control of the ventilation mechanism working comprises: determining the first opening degree of the first baffle and the second opening degree of the second baffle according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval; controlling the first driving member to work according to the first opening degree, so that the first baffle is in the open state, and controlling the second driving member to work according to the second opening degree, so that the second baffle is in the open state; wherein the cross-sectional areas of the first air duct and the second air duct are the same, the ratio of the first opening degree to the second opening degree is equal to V1 / V4, V1 / V4=(T4-T2-2) / (T2+2-T1), wherein T1 is the outdoor environment temperature, T4 is the machine room return air temperature, and T2 is the lower limit value of the preset temperature interval.

2. The method of claim 1, wherein, the first air duct is provided with a first temperature sensor for measuring the outdoor environment temperature, and the second air duct is provided with a second temperature sensor for measuring the machine room return air temperature; before the step of determining whether the outdoor environment temperature is less than the lower limit value of the preset temperature interval, the method further comprises: receiving the outdoor environment temperature measured by the first temperature sensor and receiving the machine room return air temperature measured by the second temperature sensor.

3. The method according to claim 1 or 2, characterized in that, the wind storage pool is provided with a third temperature sensor; when the temperature in the wind storage pool is in the preset temperature interval, the operation mode of the temperature regulator is controlled to be the air supply mode, which comprises: receiving the third temperature measured by the third temperature sensor; determining whether the third temperature is in the preset temperature interval; if yes, controlling the operation mode of the temperature regulator to be the air supply mode.

4. The method of claim 2, wherein, after the step of determining whether the outdoor environment temperature is less than the lower limit value of the preset temperature interval, the method further comprises: if no, determining whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval; If yes, it is judged whether the outdoor environment temperature is less than the machine room return air temperature; If yes, the ventilation mechanism is controlled to work so that the air storage pool is connected to the outdoor fresh air, and the operation mode of the temperature regulator is controlled to be the cooling mode.

5. The method of claim 4, wherein, After the step of controlling the operation mode of the temperature regulator to be the cooling mode, the method further comprises: generating a first difference value between the outdoor environment temperature and the upper limit value of the preset temperature interval; determining the cooling parameter of the temperature regulator according to the first difference value.

6. The method of claim 4, wherein, After the step of judging whether the outdoor environment temperature is less than the machine room return air temperature, the method further comprises: If no, the ventilation mechanism is controlled to work so that the air storage pool is connected to the machine room return air, and the operation mode of the temperature regulator is controlled to be the cooling mode.

7. The method of claim 4, wherein, After the step of judging whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval, the method further comprises: If no, the ventilation mechanism is controlled to work so that the air storage pool is connected to the outdoor fresh air, and the operation mode of the temperature regulator is controlled to be the air supply mode.

8. A temperature regulated energy saving system, characterized by, The air storage pool and the temperature regulator are provided, the temperature regulator has an air inlet and an air outlet, the air inlet is connected to the air storage pool, the air storage pool is connected to the outdoor, the air outlet is connected to the machine room, and the air storage pool is provided with a ventilation mechanism; The temperature regulator is used to judge whether the outdoor environment temperature is less than and equal to the lower limit value of the preset temperature interval; if yes, the ventilation mechanism is controlled to work so that the air storage pool is connected to the outdoor fresh air, and the air storage pool is connected to the machine room return air through the exhaust air passage of the machine room; when the temperature in the air storage pool is in the preset temperature interval, the operation mode of the temperature regulator is controlled to be the air supply mode to adjust the temperature of the gas entering the machine room. The air storage pool is provided with a first air duct and a second air duct, the first air duct is connected to the outdoor, the second air duct is connected to the exhaust air passage, the first air duct is provided with a first baffle, the second air duct is provided with a second baffle, and the ventilation mechanism comprises a first driving member connected to the first baffle and a second driving member connected to the second baffle. The control of the ventilation mechanism comprises: determining the first opening degree of the first baffle and the second opening degree of the second baffle according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval; controlling the first driving member to work according to the first opening degree so that the first baffle is in the open state, and controlling the second driving member to work according to the second opening degree so that the second baffle is in the open state; wherein the cross-sectional areas of the first air duct and the second air duct are the same, the ratio of the first opening degree to the second opening degree is equal to V1 / V4, V1 / V4=(T4-T2-2) / (T2+2-T1), wherein T1 is the outdoor environment temperature, T4 is the machine room return air temperature, and T2 is the lower limit value of the preset temperature interval.

Citation Information

Patent Citations

  • Energy-saving air conditioning system

    CN103940061A