Communication building energy-saving control system based on airflow organization optimization and control method thereof

Abstract

The invention relates to a communication building energy-saving control system based on airflow organization optimization. The system is characterized by comprising a fresh air machine, an air conditioner air cabinet, an air cabinet room, a machine cabinet, an airflow collecting device, an air return opening, an exhaust fan, an exhaust pipeline, an air return fan, an indoor temperature sensor, a humidity sensor, an exhaust air temperature sensor, an exhaust air humidity sensor, a fresh air temperature sensor and a fresh air humidity sensor. An air inlet of the fresh air ventilator is communicated with the outside, an air outlet of the fresh air ventilator is communicated with the air cabinet room, the air-conditioning air cabinet is located in the air cabinet room, and an air outlet of the air-conditioning air cabinet is communicated with the interior of the communication building; the air-conditioning system has the advantages that cold and hot air flows are isolated by adding the air flow guide equipment and the control system, the problems of disordered air flow distribution and unsmooth air return in the machine room are solved, fresh air supply is increased in transition seasons and winter, and the energy consumption of the air-conditioning system is remarkably reduced.

Description

Technical Field

[0001] The invention relates to a communication machine building energy-saving control system based on airflow organization optimization and a control method thereof. Background Art

[0002] With the rapid development of 5G communications, big data, and the Internet of Things, many existing communication building machine rooms have added IT equipment. The IT equipment generates a lot of heat, resulting in chaotic air flow organization in the machine room, mixing of cold air and hot air, and poor return air, which increases the energy consumption of the air-conditioning system. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a communication building energy-saving control system and a control method based on airflow organization optimization. By adding airflow guiding equipment and a control system, the cold and hot air flows are isolated, and the problems of chaotic airflow organization and poor return air in the machine room are improved. At the same time, in the transition season and winter, the supply of fresh air is increased, and the energy consumption of the air-conditioning system is significantly reduced.

[0004] In order to achieve the above object, the present invention is implemented as follows: it is a communication building energy-saving control system based on airflow organization optimization, comprising A fresh air fan, an air conditioning cabinet and a cabinet room; the air inlet of the fresh air fan is connected to the outside, the air outlet of the fresh air fan is connected to the cabinet room, the air conditioning cabinet is located in the cabinet room, and the air outlet of the air conditioning cabinet is connected to the indoor of the communication machine building; A cabinet, an airflow collecting device and a return air outlet; the cabinet is located indoors, the airflow collecting device is installed in the cabinet, the air inlet of the airflow collecting device is connected to the indoor through the cabinet, and the air outlet of the airflow collecting device is connected to the return air outlet; An exhaust fan, an exhaust duct and a return fan; the exhaust fan outlet is connected to the outside, one end of the exhaust duct is connected to the exhaust fan inlet, one or more air outlets are provided on the return air outlet, the air outlets are connected to the exhaust duct, the air inlet of the return fan is connected to the return air outlet through a duct, and the return fan outlet is connected to the wind cabinet room; One or more indoor temperature sensors and one or more humidity sensors; the indoor temperature sensors and indoor humidity sensors are located indoors; An exhaust air temperature sensor and an exhaust air humidity sensor; the exhaust air temperature sensor and the exhaust air humidity sensor are located at the exhaust fan; Fresh air temperature sensor and fresh air humidity sensor; the fresh air temperature sensor and fresh air humidity sensor are located at the fresh air fan.

[0005] The present invention also provides a control method for a communication building energy-saving control system based on airflow organization optimization, the control method comprising the following steps: Step 1: Collect multiple indoor temperatures through indoor temperature sensors and indoor humidity sensors to calculate the average value t 室 and the average indoor humidity d 室 ; Step 2: Collect the fan temperature t of the exhaust fan through the exhaust temperature sensor and the exhaust humidity sensor 排 And fan humidity d 排 ; Step 3: The fresh air temperature sensor and the fresh air humidity sensor collect the fresh air temperature t of the fresh air fan 新 and fresh air temperature d 新 ; Step 4: Measure the operating frequency p of the air conditioner cabinet 空 And air supply volume q 空 , and the operating frequency p is obtained 空 And air supply volume q 空 The relationship q 空 =f(p 空 ); Step 5: Measure the operating frequency p of the exhaust fan 排 And air supply volume q 排 ; and the operating frequency p is obtained 排 And air supply volume q 排 The relationship q 排 =f(p 排 ); Step 6: Measure the operating frequency p of the fresh air fan 新 And air supply volume q 新 ; and the operating frequency p is obtained 新 And air supply volume q 新 The relationship q 新 =f(p 新 ); Step 7: Calculate the enthalpy using the formula: i=1.01t+(2490+1.84t)d Calculate the enthalpy value i in the room 室 , enthalpy value of exhaust fan i 排 and the enthalpy value of the fresh air fan i 新 ; Step 8: When i 室 Greater than or equal to i 新 When i 室 Less than i 新 When , go to step 10; Step 9: Taking the indoor temperature setting value t as the target, dynamically adjust the fresh air fan operating frequency p 新 , and turn on the exhaust fan at the same time until t 室 Equal to the set temperature t, in order to maintain the air balance in the wind cabinet room and maintain the positive pressure in the wind cabinet room, q新 Greater than exhaust volume q 排 ; When the indoor temperature t 室 When the temperature is higher than the set temperature t, the fresh air fan operating frequency p 新 Adjust to the highest setting, open the air conditioning cabinet, turn on the return fan, and adjust the operating frequency of the air conditioning cabinet 空 , until t 室 After reaching the set temperature t, the air conditioner cabinet operation frequency p is maintained. 空 ; To maintain the air balance in the wind cabinet room and maintain the positive pressure in the wind cabinet room, q 新 Greater than exhaust volume q 排 ; Step 10: Taking the indoor temperature setting value t as the target, dynamically adjust the air conditioner cabinet operating frequency p 空 , turn off the fresh air fan and exhaust fan until the temperature reaches the set value t, and then keep the air conditioner cabinet running at the frequency p 空 .

[0006] The advantages of the present invention compared with the prior art are: by adding airflow guiding equipment and control systems, the cold and hot airflows are isolated, the problems of chaotic airflow organization and poor return air in the machine room are improved, and at the same time, the supply of fresh air is increased in transitional seasons and winter, significantly reducing the energy consumption of the air-conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0008] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0009] In the description of the present invention, the terms "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0010] In the present invention, unless otherwise clearly specified and limited, the terms "set", "connect" and "install" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, a detachable set, or an integrated one; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, which can make the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0011] like Figure 1 It is shown that it is an energy-saving control system for a communication machine building based on airflow organization optimization, comprising a fresh air fan 1, an air conditioning wind cabinet 2 and a wind cabinet room 3; the air inlet of the fresh air fan 1 is connected to the outside, the air outlet of the fresh air fan 1 is connected to the wind cabinet room 3, the air conditioning wind cabinet 2 is located in the wind cabinet room 3, and the air outlet of the air conditioning wind cabinet 2 is connected to the indoor room of the communication machine building; Cabinet 4, airflow collecting device 5 and return air outlet 8; the cabinet 4 is located indoors, the airflow collecting device 5 is installed in the cabinet 4, the air inlet of the airflow collecting device 5 is connected to the indoor through the cabinet 4, and the air outlet of the airflow collecting device 5 is connected to the return air outlet 8; Exhaust fan 6, exhaust duct 7 and return fan 9; the air outlet of the exhaust fan 6 is connected to the outside, one end of the exhaust duct 7 is connected to the air inlet of the exhaust fan 6, one or more air outlets 9 are provided on the return air outlet 8, the air outlets are connected to the exhaust duct 7, the air inlet of the return air fan 9 is connected to the return air outlet 8 through a pipeline, and the air outlet of the return air fan 9 is connected to the wind cabinet room 3; One or more indoor temperature sensors 11 and one or more humidity sensors 12; the indoor temperature sensors 11 and indoor humidity sensors 12 are located indoors; An exhaust air temperature sensor 13 and an exhaust air humidity sensor 14; the exhaust air temperature sensor 13 and the exhaust air humidity sensor 14 are located at the exhaust fan 7; Fresh air temperature sensor 15 and fresh air humidity sensor 16 ; the fresh air temperature sensor 15 and fresh air humidity sensor 16 are located at the fresh air fan 1 .

[0012] The present invention also relates to a control method for a communication building energy-saving control system based on airflow organization optimization, characterized in that the control method comprises the following steps: Step 1: Collect multiple indoor temperatures through the indoor temperature sensor 11 and the indoor humidity sensor 12 to calculate the average value t 室 and the average indoor humidity d 室 ; Step 2: Collect the fan temperature t of the exhaust fan 6 through the exhaust temperature sensor 13 and the exhaust humidity sensor 14 排 And fan humidity d 排 ; Step 3: The fresh air temperature sensor 15 and the fresh air humidity sensor 16 collect the fresh air temperature t of the fresh air blower 1 新 and fresh air temperature d 新 ; Step 4: Measure the operating frequency p of the air conditioning cabinet 2 空 And air supply volume q 空 , and the operating frequency p is obtained 空 And air supply volume q 空 The relationship q 空 =f(p 空 ); Step 5: Measure the operating frequency p of the exhaust fan 6 排 And air supply volume q 排 ; and the operating frequency p is obtained 排 And air supply volume q 排 The relationship q 排 =f(p 排 ); Step 6: Measure the operating frequency p of the fresh air fan 1 新 And air supply volume q 新 ; and the operating frequency p is obtained 新 And air supply volume q 新 The relationship q 新 =f(p 新 ); Step 7: Calculate the enthalpy using the formula: i=1.01t+(2490+1.84t)d Calculate the enthalpy value i in the room 室 , enthalpy value i of exhaust fan 6 排 and the enthalpy value i of fresh air blower 1 新 ; Step 8: When i 室 Greater than or equal to i 新 When i 室 Less than i 新 When , go to step 10; Step 9: Taking the indoor temperature setting value t as the target, dynamically adjust the operating frequency p of the fresh air fan 1 新 , and start the exhaust fan 6 at the same time until t 室 is equal to the set temperature t. In order to maintain the air balance in the wind cabinet room 3 and maintain the positive pressure in the wind cabinet room 3, q 新 Greater than exhaust volume q 排 ; When the indoor temperature t 室 When the temperature is higher than the set temperature t, the operating frequency of the fresh air fan 1 is p 新 Adjust to the highest setting, turn on air conditioning cabinet 2, turn on return fan 9, and adjust the operating frequency p of air conditioning cabinet 2 空 , until t室 After reaching the set temperature t, the air conditioner cabinet 2 operating frequency p is maintained. 空 ; To maintain the air balance in the wind cabinet room 3 and maintain the positive pressure in the wind cabinet room 3, q 新 Greater than exhaust volume q 排 ; Step 10: Taking the indoor temperature setting value t as the target, dynamically adjust the operating frequency p of the air conditioner cabinet 2 空 , turn off the fresh air fan 1 and exhaust fan 6 until the temperature reaches the set value t, and then keep the air conditioner cabinet 2 running at the frequency p 空 .

[0013] By adding airflow guiding equipment and control systems, the hot and cold air flows are isolated, and the problems of chaotic airflow organization and poor return air in the computer room are improved. At the same time, the supply of fresh air is increased in the transition season and winter, which significantly reduces the energy consumption of the air-conditioning system.

[0014] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and deformations of these embodiments without departing from the principles and purposes of the present invention still fall within the scope of protection of the present invention.

Claims

1. A communication building energy-saving control system based on airflow organization optimization, characterized in that include A fresh air fan (1), an air conditioning cabinet (2) and a cabinet room (3); the air inlet of the fresh air fan (1) is connected to the outside, the air outlet of the fresh air fan (1) is connected to the cabinet room (3), the air conditioning cabinet (2) is located in the cabinet room (3), and the air outlet of the air conditioning cabinet (2) is connected to the interior of the communication building; A cabinet (4), an airflow collecting device (5) and an air return port (8); the cabinet (4) is located indoors, the airflow collecting device (5) is installed in the cabinet (4), the air inlet of the airflow collecting device (5) is connected to the indoors through the cabinet (4), and the air outlet of the airflow collecting device (5) is connected to the air return port (8); An exhaust fan (6), an exhaust duct (7) and a return fan (9); the air outlet of the exhaust fan (6) is connected to the outside, one end of the exhaust duct (7) is connected to the air inlet of the exhaust fan (6), one or more air outlets (9) are provided on the return air outlet (8), the air outlets are connected to the exhaust duct (7), the air inlet of the return fan (9) is connected to the return air outlet (8) through a duct, and the air outlet of the return fan (9) is connected to the wind cabinet room (3); One or more indoor temperature sensors (11) and one or more humidity sensors (12); the indoor temperature sensors (11) and indoor humidity sensors (12) are located indoors; An exhaust air temperature sensor (13) and an exhaust air humidity sensor (14); the exhaust air temperature sensor (13) and the exhaust air humidity sensor (14) are located at the exhaust fan (7); A fresh air temperature sensor (15) and a fresh air humidity sensor (16); the fresh air temperature sensor (15) and the fresh air humidity sensor (16) are located at the fresh air fan (1).

2. A control method for a communication building energy-saving control system based on airflow organization optimization, characterized in that The control method comprises the following steps: Step 1: Collect multiple indoor temperatures through the indoor temperature sensor (11) and the indoor humidity sensor (12) to calculate the average value t 室 and the average indoor humidity d 室 ; Step 2: Collect the fan temperature t of the exhaust fan (6) through the exhaust air temperature sensor (13) and the exhaust air humidity sensor (14) 排 And fan humidity d 排 ; Step 3: The fresh air temperature sensor (15) and the fresh air humidity sensor (16) collect the fresh air temperature t of the fresh air fan (1) 新 and fresh air temperature d 新 ; Step 4: Measure the operating frequency p of the air conditioning cabinet (2) 空 And air supply volume q 空 , and the operating frequency p is obtained 空 And air supply volume q 空 The relationship q 空 =f(p 空 ); Step 5: Measure the operating frequency p of the exhaust fan (6) 排 And air supply volume q 排 ; and the operating frequency p is obtained 排 And air supply volume q 排 The relationship q 排 =f(p 排 ); Step 6: Measure the operating frequency p of the fresh air fan (1) 新 And air supply volume q 新 ; and the operating frequency p is obtained 新 And air supply volume q 新 The relationship q 新 =f(p 新 ); Step 7: Calculate the enthalpy using the formula: i=1.01t+(2490+1.84t)d Calculate the enthalpy value i in the room 室 , enthalpy value i of exhaust fan (6) 排 and the enthalpy value i of the fresh air blower (1) 新 ; Step 8: When i 室 Greater than or equal to i 新 When i 室 Less than i 新 When , go to step ten; Step 9: Taking the indoor temperature set value t as the target, dynamically adjust the operating frequency p of the fresh air fan (1) 新 , and at the same time, start the exhaust fan (6) until t 室 is equal to the set temperature t. In order to maintain the air balance in the wind cabinet room (3) and maintain the positive pressure in the wind cabinet room (3), q 新 Greater than exhaust volume q 排 ; When the indoor temperature t 室 When the temperature is higher than the set temperature t, the fresh air fan (1) operates at a frequency p 新 Adjust to the highest setting, turn on the air conditioning cabinet (2), turn on the return fan (9), and adjust the operating frequency of the air conditioning cabinet (2) p 空 , until t 室 After reaching the set temperature t, the air conditioner cabinet (2) is kept running at the frequency p 空 ; To maintain the air balance in the wind cabinet room (3) and maintain the positive pressure in the wind cabinet room (3), q 新 Greater than exhaust volume q 排 ; Step 10: Taking the indoor temperature setting value t as the target, dynamically adjust the operating frequency p of the air conditioner cabinet (2) 空 , turn off the fresh air fan (1) and the exhaust fan (6) until the temperature reaches the set value t, and then keep the air conditioning cabinet (2) running at the frequency p 空 .

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