CN110925960A - Energy-saving method and device for air conditioner of communication machine room - Google Patents

Energy-saving method and device for air conditioner of communication machine room Download PDF

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CN110925960A
CN110925960A CN201911404129.8A CN201911404129A CN110925960A CN 110925960 A CN110925960 A CN 110925960A CN 201911404129 A CN201911404129 A CN 201911404129A CN 110925960 A CN110925960 A CN 110925960A
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machine room
air conditioner
communication
communication machine
temperature
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CN110925960B (en
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林良辉
唐骏
黄东林
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FUJIAN NANHONG COMMUNICATION TECHNOLOGY Co Ltd
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FUJIAN NANHONG COMMUNICATION TECHNOLOGY Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • F24F11/47Responding to energy costs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/58Remote control using Internet communication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity

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Abstract

The invention relates to the technical field of communication equipment, and provides an energy-saving method and device for an air conditioner of a communication machine room, which comprises the following steps: s1, detecting the power consumption of various devices in the communication machine room at various moments in real time, and calculating the total heat productivity to obtain a heat source Q1; s2, dynamically detecting the dynamic heat value of the communication machine room at every moment from the outside to the inside in real time to obtain a heat source Q2; s3, calculating and analyzing the change of temperature and humidity relative to time, and calculating the temperature change gradient of the machine room in each period by combining the volume of the machine room and the heat source Q1 of the heat source Q1 and the heat source Q2 of the heat source S2 at the same time to obtain the heat capacity C M of the machine room; s4, detecting and calculating the actual refrigerating capacity of each air conditioner in real time; and S5, forecasting the temperature dynamic change trend of each area in the communication machine room according to the collected parameters, and starting an air conditioner to refrigerate at a monitoring point in the communication machine room in advance or stopping the air conditioner to refrigerate in advance when the refrigerating capacity reaches the requirement of quitting the monitoring point so as to guarantee the internal environment requirement of the communication machine room. The invention solves the problem of unsatisfactory energy-saving effect of the air conditioner in the communication machine room.

Description

Energy-saving method and device for air conditioner of communication machine room
Technical Field
The invention relates to the technical field of communication equipment, in particular to an energy-saving method and device for an air conditioner of a communication machine room.
Background
Research and application of an energy-saving method for a communication machine room are carried out for many years, a plurality of technologies and methods appear, and energy-saving control of an air conditioner in the machine room which is commonly applied at present mainly controls the air conditioner to run and refrigerate; detecting the temperature deviation between the indoor environment temperature and the set temperature; adjusting the running frequency of the compressor according to the range of the temperature deviation; when the temperature deviation reaches a preset range, the operation frequency of the compressor, the outdoor heat exchanger and the outdoor fan are adjusted as in Chinese patent documents: CN201611110264.8 discloses an energy-saving control method for air conditioner.
Or an energy-saving controller is adopted to intelligently regulate and control the equipment, the temperature of the environment inside and outside the machine room is collected and compared, cold air at a lower outdoor temperature is introduced into the machine room by controlling the opening degree of a fresh air electromagnetic valve and the air volume of a fan under a reasonable condition, and an air conditioner is controlled to operate timely to achieve the aim of saving energy. For example, Chinese patent documents: CN201720171101.4 computer lab air conditioner energy-saving control system.
Also as in chinese patent literature: the application number CN201120549523.3 discloses an electronic intelligent energy-saving control device for a machine room air conditioner, which preferentially adopts outdoor air for cooling and can automatically judge whether the outdoor air is adopted for cooling or the air conditioner is adopted for cooling to realize energy saving.
Again as in chinese patent literature: CN201910144994.7 discloses an energy-saving modification system and modification method for a machine room air conditioner, which achieve the purpose of energy saving by modifying a traditional air-cooled machine room air conditioning system, that is, an energy-saving pump module is added on a liquid pipeline of an indoor unit of a traditional air-cooled condenser, the energy-saving pump module and an outdoor unit are both provided with bypass pipelines, and an inlet pipeline of the outdoor unit is provided with an electromagnetic valve. The unit can fully utilize natural cold sources in seasons with lower outdoor temperature, reduce the energy consumption of the unit and achieve the aim of energy conservation.
There are also chinese patent documents: CN201410761885.7 discloses a computer lab air conditioner energy-saving control system, it adopts main control unit module to be connected with fan control module, air conditioner control module and room temperature alarm respectively, the touch-sensitive screen and main control unit both-way communication. The main controller module is used for data acquisition and logic judgment, the touch screen is used as a monitor, and remote monitoring of the touch screen on the main controller is achieved through data communication. In the system, when the outdoor temperature and humidity meet the working conditions of the machine room, the air conditioner stops working, the temperature of the machine room is reduced by utilizing the indoor and outdoor temperature difference through the ventilation system, and the energy conservation of the machine room is realized.
However, the energy saving of various air conditioners in the communication machine room is based on the idea of passive control and passive adaptive adjustment. And if the detected temperature in the machine room reaches or exceeds a set value, starting air-conditioning refrigeration, and if the detected temperature is lower than each set temperature value, closing the air-conditioning refrigeration, and the like. Because the machine room, the machine room space, the machine room equipment and the equipment operation all have larger heat capacities, the passive control has the problem of overshoot of the high-low threshold of temperature regulation and control, and the energy-saving effect is not ideal enough.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides an energy-saving method and an energy-saving device for an air conditioner of a communication machine room, so that the energy-saving effect of the air conditioner of the communication machine room is obvious, the temperature regulation and control performance is good, the active control of the air conditioner can be implemented based on the principle of heat energy balance according to the prediction of the temperature dynamic change trend of each area in the machine room, the purpose of high efficiency and energy saving is effectively achieved, and meanwhile, the required temperature of the environment in the machine room is accurately ensured.
In order to solve the technical problem, the invention adopts the following scheme: an energy-saving method for an air conditioner in a communication machine room comprises the following steps:
s1, respectively installing an electric quantity collector on each type of equipment in the communication room to detect the electric quantity of each type of equipment in the communication room at each moment in real time and calculate the total heat productivity of each type of equipment in the communication room at each moment to obtain a heat source Q1;
s2, respectively arranging a plurality of temperature sensors and a plurality of humidity sensors outside the communication machine room to dynamically detect the temperature and the humidity outside the communication machine room in real time, and calculating the dynamic heat value of each moment of the influence of the external environment of the communication machine room on the indoor environment of the communication machine room by combining the position of the communication machine room and the heat conduction coefficient obtained by the building structure to obtain a heat source Q2;
s3, respectively arranging a plurality of temperature sensors and a plurality of humidity sensors in the communication machine room to detect the temperature and humidity of each position and core equipment area in the machine room in real time, calculating and analyzing the change of relative time of the temperature and the humidity in combination with the volume of the machine room, and simultaneously calculating the heat capacity of the machine room in each time period by the heat source Q1 of the step S1 and the heat source Q2 of the step S2 to obtain the heat capacity C M of the machine room;
s4, detecting the operation parameters of the air conditioners in the communication room in real time, and calculating the actual refrigerating capacity of the air conditioners by combining the energy efficiency parameter EER and the refrigerating operation length of the air conditioners in the communication room;
s5, storing the data acquired in steps S1-S4, predicting the temperature dynamic change trend of each area in the communication machine room according to the data calculated by the acquired parameters, implementing advanced active control of the air conditioner based on the principle of heat energy balance in the communication machine room, correctly predicting the development trend of the temperature of a monitoring point for controlling the operation of the air conditioner in the communication machine room by quantitative detection and calculation of various cold and heat sources inside and outside the communication machine room, actively making a control command for controlling the operation of the air conditioner in advance according to the optimal efficiency operation state of the air conditioner, and closing the air conditioner for cooling in advance according to the principle of heat energy balance to ensure that the environment in the communication machine room requires that the air conditioner is started to refrigerate when the monitoring point is to be reached or the air conditioner is stopped to refrigerate when the monitoring point is.
Further, in step S5, the air-conditioning system is actively controlled in advance according to the dynamic demand of the predicted temperature and the principle of the heat balance inside the communication equipment room, the temperature of the monitoring point of the communication equipment room is within the required control range, when the temperature of the monitoring point exceeding the communication equipment room is predicted, the air conditioner is set to start cooling in advance, the continuous cooling time of the air conditioner is longer than the shortest efficient operation time obtained by the efficiency curve, and the air conditioner is turned off to cool when the predicted cooling capacity meets the requirement that the heat balance inside the communication equipment room reaches the temperature of the monitoring point leaving the communication equipment room, and the actual cooling capacity P of the air conditioner is calculated according to the indoor and outdoor temperatures of the communication equipment room collected for several times:
P=C*M*(T(t1)-T(t2))+[(Q1(t2)-Q1(t1))+(Q2(t2)-Q2(t1))];
wherein T (t): represents the absolute temperature value inside the machine room at time t; q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively indicate the values of the heat source Q2 at times t1 and t 2.
Further, the calculation formula of the heat source Q1 in the step S1 is as follows:
Figure BDA0002349231930000041
β is a heat conversion coefficient of communication equipment, P is total electric energy of equipment entering the machine room, P is electric energy of a remote unit which is communicated with the outside of the machine room and is supplied with 48V direct current, Va, Vb and Vc are three instantaneous phase voltage values of three-phase power, Ia, Ib and Ic are three instantaneous phase current values of the three-phase power, T is an integral interval of analysis and comparison, Vdirect is an instantaneous voltage value of 48V direct current power supply of the machine room, and Idirect is an instantaneous current value of 48V direct current power supply of the machine room.
Further, the calculation formula of the heat source Q2 in the step S2 is:
Q2=S1*[K*(t1-t2)+K*q]+S2*K*(t1-t3)kcal/h,
wherein K is the thermal conductivity kcal/m of the building envelope2h ℃, 1kca1 is 4.184kj, S1 is the area of the enclosure structure directly contacted with the outside air, S2 is the area unit of the enclosure structure shielded and contacted with the barrier, k is the penetration coefficient of solar radiation heat, and the value of the penetration coefficient k depends on the floor position of the machine room and the type of the enclosure structure; q is the intensity of solar radiant heat entering through the enclosure, and q is given in kcal/m2h, t1 is the temperature in the machine room, t2 is the outdoor temperature in direct contact with the outside air, and t3 is the outdoor temperature in shielding contact with the obstacle.
Furthermore, the solar radiation heat intensity q is calculated according to local meteorological data of the site where the communication machine room is located.
Further, the calculation formula C × M of the machine room heat capacity C × M in step S3 is Q/Δ T; wherein: q is the heat applied to the machine room, M is the comprehensive equivalent mass of the machine room, and delta T is the absolute temperature value change difference of the machine room at two moments T1 and T2 after the heat Q1 and Q2 are applied; namely, it is
C*M=[(Q1(t2)+Q2(t2))-(Q1(t1)+Q2(t1))]/(T(t2)-T(t1));
Wherein: q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively indicate the values of the heat source Q2 at times t1 and t 2.
An energy-saving device for air conditioners in a communication machine room comprises a plurality of temperature sensors, a plurality of humidity sensors, a plurality of electric quantity collectors, a CPU, an experience database and a plurality of relays, wherein the electric quantity collectors are respectively arranged on various devices in the communication machine room to collect the electric quantity of the various devices in the communication machine room at various moments in real time and send the electric quantity to the CPU, the temperature sensors are respectively and uniformly distributed in the communication machine room, a plurality of outdoor regions to collect the temperature of the various regions in the communication machine room and the outdoor regions in real time and send the temperature to the CPU, the humidity sensors are respectively and uniformly distributed in the communication machine room, the humidity of the various regions in the communication machine room and the outdoor regions to collect the temperature of air inlets and the temperature of air outlets of the air conditioners in the communication machine room and send, the CPU is in communication connection with the experience database, and the output end of the CPU is respectively connected with the control end of each air conditioner in the communication machine room through a relay to control the on-off of each air conditioner.
Further, the system also comprises a communication module and a server, and the CPU is in communication connection with the server through the communication module.
Further, the server is a cloud server.
By adopting the technical scheme, the invention has the beneficial effects that: the energy consumption of various devices in the communication machine room is collected in real time by adopting a plurality of electric quantity collectors which are respectively arranged on various devices in the communication machine room, the temperatures of the various regions in the communication machine room and the regions outside the communication machine room are respectively and uniformly distributed by using temperature sensors, the humidity of the various regions in the communication machine room and the humidity of the various regions outside the communication machine room are respectively and uniformly distributed by using the humidity sensors, the temperature of an air inlet and an air outlet of each air conditioner in the communication machine room are respectively collected by adopting the temperature sensors and the air inlet and the air outlet of each air conditioner in the communication machine room, the dynamic temperature change trend of each region in the communication machine room is predicted by storing the collected data and combining the data calculated according to the collection parameters of an experience database based on the principle of heat energy balance in the communication machine room, the active control of the air conditioner is implemented, the active control correctly predicts the development trend of the temperature of a monitoring point for controlling the operation of the air conditioner in the communication machine room by quantitative detection and calculation of various cold and heat sources inside and outside the communication machine room, actively makes a control command for operating the air conditioner in advance according to the optimal efficiency operation state of the air conditioner, starts the air conditioner to refrigerate to the monitoring point to be reached in the communication machine room in advance according to the heat energy balance principle or stops the refrigeration of the air conditioner to be closed in advance when the refrigerating capacity reaches the requirement of quitting the monitoring point so as to ensure the internal environment requirement of the communication machine room, simultaneously leads the air conditioner to work in the highest efficiency state, realizes the active control by accurately predicting the temperature of the monitoring point in the communication machine room, simultaneously realizes accurate prediction by an experience database of pre-detected historical experience and a heat and temperature prediction algorithm, The energy-saving control system has the advantages that the space of the communication machine room, equipment in the communication machine room, equipment operation and the like have large heat capacity, so that the passive energy-saving control has the problem of overshoot of a high-low threshold of temperature regulation and control, the cold and heat quantity cannot be well balanced, and the energy-saving effect is further influenced.
Drawings
FIG. 1 is a functional block diagram of an embodiment of the present invention;
FIG. 2 is a schematic layout diagram of a communication room device in an embodiment of the present invention;
fig. 3 is a schematic diagram of power consumption of an air conditioner in which three communication rooms operate in a first stage by using the conventional passive energy-saving mode in the embodiment of the present invention;
fig. 4 is a schematic diagram of the power consumption and daily energy saving ratio of an air conditioner adopting the active energy-saving operation in the cyprinid maritime communication machine room in the embodiment of the invention;
fig. 5 is a schematic diagram of power consumption and daily energy saving ratio of an air conditioner adopting active energy-saving operation in a north peak flood rejection communication machine room in the embodiment of the present invention;
FIG. 6 is a schematic diagram of the power consumption and daily energy saving ratio of an air conditioner in an erythrina indica postal communication machine room adopting the active energy-saving operation of the invention in the embodiment of the invention;
fig. 7 is a schematic diagram of the power consumption of the air conditioner and the daily energy saving ratio when the active energy saving operation is adopted in the carp city maritime communication machine room in the embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The preferable energy-saving method for the air conditioner of the communication machine room comprises the following steps:
s1, respectively installing an electric quantity collector on each type of equipment in the communication room to detect the electric quantity of each type of equipment in the communication room at each moment in real time and calculating the total heat productivity of each type of equipment in the communication room at each moment to obtain a heat source Q1, wherein the calculation formula of the heat source Q1 is as follows:
Figure BDA0002349231930000071
the system comprises a machine room, a remote unit, a power supply unit and a power supply unit, wherein β is a heat conversion coefficient of communication equipment, P is total electric energy of equipment entering the machine room, P is electric energy of the remote unit which is led to the outside of the machine room and is supplied with 48V direct current, Va, Vb and Vc are three instantaneous phase voltage values of three-phase power, Ia, Ib and Ic are three instantaneous phase current values of the three-phase power, T is an integral interval of analysis and comparison, Vdirect is;
s2, a plurality of temperature sensors and a plurality of humidity sensors are respectively arranged outside the communication machine room to dynamically detect the temperature and the humidity outside the communication machine room in real time, and the heat dynamic value of each moment of the influence of the external environment of the communication machine room on the indoor environment of the communication machine room is calculated by combining the position of the communication machine room and the heat conduction coefficient obtained by the building structure, so that a heat source Q2 and a heat source Q2 calculation formula are obtained:
Q2=S1*[K*(t1-t2)+K*q]+S2*K*(t1-t3)kcal/h,
wherein K is the thermal conductivity kcal/m of the building envelope2h ℃, 1kcal is 4.184kj, S1 is the area of the enclosure structure directly contacted with the outside air, S2 is the area unit of the enclosure structure shielded and contacted with the barrier, k is the penetration coefficient of solar radiation heat, and the value of the penetration coefficient k depends on the floor position of the machine room and the type of the enclosure structure; q is the intensity of solar radiant heat entering through the enclosure, and q is given in kcal/m2h, calculating the solar radiation heat intensity q according to local meteorological data of a site where a communication machine room is located, wherein t1 is the temperature in the machine room, t2 is the outdoor temperature in direct contact with the outside air, and t3 is the outdoor temperature in shielding contact with an obstacle; the thermal conductivity of the materials used is given in the following table:
material Coefficient of thermal conductivity of material (kcal/m)2h℃)
Ordinary concrete 1.4~1.5
Light concrete 0.5~0.7
Mortar 1.3
Brick 1.1
Galvanized steel sheet 38
Aluminium plate 180
S3, respectively arranging a plurality of temperature sensors and a plurality of humidity sensors in the communication machine room to detect the temperature and humidity of each azimuth and core equipment area in the machine room in real time, calculating and analyzing the change of relative time of temperature and humidity in combination with the volume of the machine room, and simultaneously calculating the heat capacity and the temperature change gradient of the machine room in each time period by the heat source Q1 of the step S1 and the heat source Q2 of the step S2 to obtain the heat capacity C M of the machine room, wherein the calculation formula C M of the heat capacity C of the machine room is Q/delta T; wherein: q is heat applied to the machine room, M is comprehensive equivalent mass of the machine room, delta T is the difference of absolute temperature value changes of T1 and T2 at two moments after the heat Q1 and Q2 is applied to the machine room, and the absolute temperature value is equivalent temperature value in the machine room calculated according to weighted average of detection values of a plurality of temperature sensors in the machine room; namely, it is
C*M=[(Q1(t2)+Q2(t2))-(Q1(t1)+Q2(t1))]/(T(t2)-T(t1)),
Wherein: q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively represent the values of the heat source Q2 at times t1 and t 2;
s4, detecting the operation parameter working condition, the air inlet temperature and the air outlet temperature of each air conditioner in the communication machine room in real time, and calculating the actual refrigerating capacity P of the air conditioner by combining the energy efficiency parameter EER and the refrigerating operation length of the air conditioner in the communication machine room;
s5, storing the data acquired in steps S1-S4, predicting the temperature dynamic change trend of each area in the communication machine room according to the data calculated by the acquired parameters, implementing advanced active control of the air conditioner based on the principle of heat balance in the communication machine room, accurately predicting the development trend of the temperature of a monitoring point for controlling the operation of the air conditioner in the communication machine room by quantitative detection and calculation of various cold and heat sources inside and outside the communication machine room, actively making a control command for operating the air conditioner in advance according to the optimal efficiency operation state of the air conditioner, actively turning on the air conditioner to be started to perform refrigeration on the monitoring point in the communication machine room according to the principle of heat balance to ensure the internal environment requirement of the communication machine room or turning off the air conditioner to perform refrigeration in advance when the quantity of the air conditioner reaches the requirement of quitting the monitoring point, and actively controlling the air conditioner in advance according to the principle of dynamic change requirement of the, the monitoring point temperature of the communication machine room is in a required control range, when the temperature of the monitoring point exceeding the communication machine room is predicted, the air conditioner is set to start refrigeration in advance, the shortest efficient operation time that the continuous refrigeration time of the air conditioner is greater than the efficiency curve is reached, the air conditioner is closed for refrigeration when the predicted refrigeration capacity meets the requirement that the heat energy balance in the communication machine room reaches the temperature of the monitoring point exiting the communication machine room, and the actual refrigeration capacity P of the air conditioner is calculated according to the indoor and outdoor temperatures of the communication machine room collected for several times continuously:
P=C*M*(T(t1)-T(t2))+[(Q1(t2)-Q1(t1))+(Q2(t2)-Q2(t1))];
wherein T (t): the temperature control method comprises the steps of representing an absolute temperature value inside a machine room at a moment t, wherein the absolute temperature value is an equivalent temperature value in the machine room calculated according to weighted average of detection values of a plurality of temperature sensors in the machine room; q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively indicate the values of the heat source Q2 at times t1 and t 2.
Referring to fig. 1 and 2, the preferred energy saving device for air conditioners in a communication room of the present invention comprises a plurality of temperature sensors 1, a plurality of humidity sensors 2, a plurality of electric quantity collectors 3, a CPU4, an experience database 5, a plurality of relays 6, a communication module 7 and a server 8, wherein each of the electric quantity collectors 3 is respectively disposed on various devices in the communication room to collect power consumption of various devices in the communication room at each time and send the power consumption to the CPU4, each of the temperature sensors 1 is respectively and uniformly disposed in the communication room, in a plurality of outdoor areas to collect temperature of various indoor and outdoor areas in the communication room in real time and send the temperature to the CPU4, each of the humidity sensors 2 is respectively and uniformly disposed in the communication room, in a plurality of outdoor areas to collect humidity of various indoor and outdoor areas in real time and send the humidity to the CPU, and the plurality of temperature sensors 1 are respectively connected with air inlets and air outlets of various air conditioners 9 in the communication room to collect temperatures of The CPU4, the CPU4 is in communication connection with the experience database 5, the output end of the CPU4 is respectively connected with the control end of each air conditioner 9 in the communication machine room through a relay 6 to control the on and off of each air conditioner 9, the CPU4 is in communication connection with the server 8 through a communication module 7, the server 8 is a cloud server, the CPU4 calculates the development trend of the temperature of the monitoring point for controlling the operation of the air conditioner 9 in the communication machine room correctly through the quantitative detection of various cold and heat sources inside and outside the communication machine room by the temperature sensor 1, the humidity sensor 2 and the electric quantity collector 3 and the heat conduction coefficient obtained by the position of the communication machine room and the building structure stored in the experience database 5, and actively makes a control command for controlling the operation of the air conditioner 9 in advance according to the optimal efficiency operation state of the air conditioner 9 and the development trend of the temperature of the monitoring point for controlling the operation of the air conditioner 9 in the communication machine room, and the CPU4 starts the The air conditioner 9 is turned off in advance to guarantee the internal environment requirement of the communication machine room when refrigeration is carried out or the refrigerating capacity reaches the temperature requirement of the exit monitoring point, and the refrigeration of the air conditioner 9 is actively controlled in advance by the CPU4 according to the principle of forecasting the dynamic change requirement of the temperature and combining the heat energy balance in the communication machine room.
The effect of the device in practical application is verified by carrying out different tests in three stages after the device is installed in an actual communication machine room, and the actual tests carried out by the actual installation site are three communication machine rooms, namely a north peak flood resisting machine room, a carp city maritime letter machine room and a erythrina postal machine room.
Referring to fig. 3, in the first stage, a basic proportion test of energy consumption of the conventional passive energy-saving air conditioner is performed for 6 months, 21 days to 7 months, 6 days, so that the energy consumption proportion relation of each machine room when energy is not saved is obtained.
Figure BDA0002349231930000111
Referring to fig. 4 and 5, in the second stage (7.9-7.24), the erythrina indica postal machine room does not save energy and is used as a reference, and north peak flood rejection and energy saving measures are started in the carp city hyaline machine room. According to the energy consumption proportion relation obtained in the first stage, the north peak flood rejection day energy consumption is 89.66% of the erythrina indica postal service, the carp city maritime information day energy consumption is 58.87% of the erythrina indica postal service, and one of the three machine rooms is used as a non-energy-saving energy consumption reference according to non-energy-saving operation so as to eliminate the influence of weather change.
Figure BDA0002349231930000121
Referring to fig. 6 and 7, in the third stage (7.25-8.6), the north peak flood-repelling machine room is changed into a machine room which does not save energy for operation as reference, and energy-saving measures are started in the erythrina indica mail government and carp city maritime letter machine room. And (3) converting according to the energy consumption proportional relation obtained in the first stage to obtain: the daily energy consumption of erythrina indica postal matter is 111.53% of the northern peak flood rejection, the daily energy consumption of the Fuxin of the carp city is 65.66% of the northern peak flood rejection, and the energy-saving effect observed by referring to a machine room is changed.
Figure BDA0002349231930000122
The three communication rooms of the north peak flood rejection room, the carp city hyaline room and the erythrina postal room are respectively subjected to comparison test in the three stages, so that the active control of the air conditioner can be implemented based on the principle of heat energy balance according to the dynamic temperature change trend of each region in the forecast room, the required temperature of the internal environment of the room is accurately guaranteed, the shortest efficient operation time obtained by the fact that the continuous refrigeration time of the air conditioner is longer than the efficiency curve is achieved, the energy-saving effect of the air conditioner of the communication room is obvious, the active control is effectively improved by about 40% -50% compared with the existing passive control, and the purposes of high efficiency and energy saving are effectively achieved.
The invention adopts a plurality of electric quantity collectors respectively arranged on various devices in the communication machine room to collect the energy consumption of various devices in the communication machine room in real time, and uses temperature sensors to respectively and uniformly collect the temperatures of various regions in the communication machine room and outdoor in real time, and simultaneously uses a plurality of humidity sensors to respectively and uniformly collect the humidity of various regions in the communication machine room and outdoor in real time, and adopts a plurality of temperature sensors to respectively collect the temperature of an air inlet and an air outlet of each air conditioner in the communication machine room with the air inlet and the air outlet of each air conditioner in the communication machine room, stores the collected data and predicts the temperature dynamic change trend of various regions in the communication machine room according to the data calculated by collecting parameters of an experience database, based on the principle of heat energy balance in the communication machine room, the active control of the air conditioner is implemented, the active control correctly predicts the development trend of the temperature of a monitoring point for controlling the operation of the air conditioner in the communication machine room by quantitative detection and calculation of various cold and heat sources inside and outside the communication machine room, actively makes a control command for controlling the operation of the air conditioner in advance according to the optimal efficiency operation state of the air conditioner, starts the air conditioner to refrigerate to the monitoring point to be reached in the communication machine room in advance according to the heat energy balance principle or stops the refrigeration of the air conditioner to ensure the internal environment requirement of the communication machine room when the refrigerating capacity reaches the requirement of quitting the monitoring point, realizes the active control by accurately predicting the temperature of the monitoring point in the communication machine room, realizes accurate prediction by an experience database of historical experience of pre-detection and a heat and temperature prediction algorithm, and avoids the energy-saving mode of the existing air, The active control of the air conditioner can be implemented based on the principle of heat energy balance according to the prediction of the dynamic temperature variation trend of each area in the machine room, so that the required temperature of the internal environment of the machine room is accurately ensured, the shortest efficient running time obtained by the fact that the continuous refrigeration time of the air conditioner is longer than an efficiency curve is reached, the energy-saving effect of the air conditioner in the communication machine room is remarkable, the temperature regulation and control performance is good, the efficient and energy-saving purpose is effectively achieved, and the passive energy-saving control system can be widely popularized and applied.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. An energy-saving method for an air conditioner in a communication machine room is characterized in that: the method comprises the following steps:
s1, respectively installing an electric quantity collector on each type of equipment in the communication room to detect the electric quantity of each type of equipment in the communication room at each moment in real time and calculate the total heat productivity of each type of equipment in the communication room at each moment to obtain a heat source Q1;
s2, respectively arranging a plurality of temperature sensors and a plurality of humidity sensors outside the communication machine room to dynamically detect the temperature and the humidity outside the communication machine room in real time, and calculating the dynamic heat value of each moment of the influence of the external environment of the communication machine room on the indoor environment of the communication machine room by combining the position of the communication machine room and the heat conduction coefficient obtained by the building structure to obtain a heat source Q2;
s3, respectively arranging a plurality of temperature sensors and a plurality of humidity sensors in the communication machine room to detect the temperature and humidity of each position and core equipment area in the machine room in real time, calculating and analyzing the change of relative time of the temperature and the humidity in combination with the volume of the machine room, and simultaneously calculating the heat capacity of the machine room in each time period by the heat source Q1 of the step S1 and the heat source Q2 of the step S2 to obtain the heat capacity C M of the machine room;
s4, detecting the operation parameters of the air conditioners in the communication room in real time, and calculating the actual refrigerating capacity of the air conditioners by combining the energy efficiency parameter EER and the refrigerating operation length of the air conditioners in the communication room;
s5, storing the data acquired in steps S1-S4, predicting the temperature dynamic change trend of each area in the communication machine room according to the data calculated by the acquired parameters, implementing advanced active control of the air conditioner based on the principle of heat energy balance in the communication machine room, correctly predicting the development trend of the temperature of a monitoring point for controlling the operation of the air conditioner in the communication machine room by quantitative detection and calculation of various cold and heat sources inside and outside the communication machine room, actively making a control command for controlling the operation of the air conditioner in advance according to the optimal efficiency operation state of the air conditioner, and closing the air conditioner for cooling in advance according to the principle of heat energy balance to ensure that the environment in the communication machine room requires that the air conditioner is started to refrigerate when the monitoring point is to be reached or the air conditioner is stopped to refrigerate when the monitoring point is.
2. The energy-saving method for the air conditioner in the communication machine room of claim 1, wherein: step S5, the hollow modulated cold is actively controlled in advance according to the principle of forecasting dynamic change demand of temperature and combining with the heat balance inside the communication machine room, the temperature of the monitoring point of the communication machine room is in a required control range, when the temperature of the monitoring point exceeding the communication machine room is forecasted to set the air conditioner to start the refrigeration in advance, the continuous refrigeration time of the air conditioner is longer than the shortest efficient operation time obtained by an efficiency curve, the air conditioner refrigeration is closed when the forecast refrigeration quantity meets the requirement that the heat balance inside the communication machine room reaches the temperature of the monitoring point exiting the communication machine room, and the actual refrigeration quantity P of the air conditioner is calculated according to the indoor and outdoor temperatures of the communication machine room collected for several times continuously:
P=C*M*(T(t1)-T(t2))+[(Q1(t2)-Q1(t1))+(Q2(t2)-Q2(t1))];
wherein T (t): represents the absolute temperature value inside the machine room at time t; q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively indicate the values of the heat source Q2 at times t1 and t 2.
3. The energy-saving method for the air conditioner in the communication machine room of claim 1, wherein: the calculation formula of the heat source Q1 in the step S1 is:
Figure FDA0002349231920000021
β is a heat conversion coefficient of communication equipment, P is total electric energy of equipment in a communication machine room, P is electric energy of a remote unit which is led to the outside of the communication machine room and is supplied with 48V direct current, Va, Vb and Vc are three instantaneous phase voltage values of three-phase power, Ia, Ib and Ic are three instantaneous phase current values of the three-phase power, T is an integral interval of analysis and comparison, Vdirect is an instantaneous voltage value of 48V direct current power supply of the machine room, and Idirect is an instantaneous current value of 48V direct current power supply of the machine room.
4. The energy-saving method for the air conditioner in the communication machine room of claim 1, wherein: the calculation formula of the heat source Q2 in the step S2:
Q2=S1*[K*(t1-t2)+K*q]+S2*K*(t1-t3)kcal/h,
wherein K is the thermal conductivity kcal/m of the building envelope2h ℃, 1kcal is 4.184kj, S1 is the area of the enclosure structure directly contacted with the outside air, S2 is the area unit of the enclosure structure shielded and contacted with the barrier, k is the penetration coefficient of solar radiation heat, and the value of the penetration coefficient k depends on the floor position of the machine room and the type of the enclosure structure; q is the intensity of solar radiant heat entering through the enclosure, and q is given in kcal/m2h, t1 is the temperature in the machine room, t2 is the outdoor temperature in direct contact with the outside air, and t3 is the outdoor temperature in shielding contact with the obstacle.
5. The energy-saving method for the air conditioner in the communication machine room according to claim 4, characterized in that: the solar radiation heat intensity q is calculated according to local meteorological data of a site where the communication machine room is located.
6. The energy-saving method for the air conditioner in the communication machine room of claim 1, wherein: a calculation formula C × M ═ Q/Δ T of the machine room heat capacity C × M in step S3; wherein: q is the heat applied to the machine room, M is the comprehensive equivalent mass of the machine room, and delta T is the absolute temperature value change difference of the machine room at two moments T1 and T2 after the heat Q1 and Q2 are applied; namely, it is
C*M=[(Q1(t2)+Q2(t2))-(Q1(t1)+Q2(t1))]/(T(t2)-T(t1));
Wherein: q1(t1) and Q1(t2) respectively represent the values of the heat source Q1 at times t1 and t 2; q2(t1) and Q2(t2) respectively indicate the values of the heat source Q2 at times t1 and t 2.
7. The utility model provides a communication computer lab air conditioner economizer, includes a plurality of temperature sensor, a plurality of humidity transducer, a plurality of electric quantity collector, CPU, experience database, a plurality of relay, its characterized in that: each electric quantity collector is respectively arranged on various devices in the communication machine room to collect the electric power consumption of various devices in the communication machine room at each moment in real time and send the electric power consumption to a CPU, each temperature sensor is respectively and uniformly distributed in the communication machine room, in the outdoor multi-position area real-time collection communication machine room and sends the humidity to the CPU, a plurality of temperature sensors are respectively and uniformly distributed in the communication machine room, in the outdoor multi-position area real-time collection communication machine room, in each air conditioner, the air inlet temperature and the air outlet temperature of each air conditioner are collected at the air inlet and the air outlet of each air conditioner in the communication machine room and sent to the CPU, the CPU is in communication connection with an experience database, and the output.
8. The energy-saving device of the air conditioner in the communication machine room of claim 7, wherein: the CPU is in communication connection with the server through the communication module.
9. The energy-saving device of the air conditioner in the communication machine room of claim 8, wherein: the server is a cloud server.
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112367808A (en) * 2020-11-02 2021-02-12 深圳市巨文科技有限公司 Data center cooling system
CN112378446A (en) * 2020-11-12 2021-02-19 广州华源创兴计算机服务有限公司 Temperature and humidity change curve testing method and system for data center machine room
CN112566450A (en) * 2020-11-09 2021-03-26 四川安能能源技术有限公司 Thermal management method for high-heat-density machine room
CN114371742A (en) * 2021-11-01 2022-04-19 中国电信股份有限公司甘肃分公司 Temperature regulation and control method and device and storage medium
CN115031314A (en) * 2022-06-01 2022-09-09 深圳市瑞尔时代科技有限公司 Energy-saving control system for unattended machine room
CN115509276A (en) * 2022-10-10 2022-12-23 厦门锐创节能科技有限公司 Method for calculating heating or cooling power of equipment based on spatial gridding and monitoring device
CN115900007A (en) * 2023-03-09 2023-04-04 浙江德塔森特数据技术有限公司 Temperature-adjusting and dehumidifying method and device for rack-mounted air conditioner
CN116085952A (en) * 2023-01-30 2023-05-09 武汉大学 Energy-saving calculation method, energy-saving controller, terminal and medium for split air conditioner
CN116489978A (en) * 2023-06-25 2023-07-25 杭州电瓦特科技有限公司 Computer lab energy-saving optimization control system based on artificial intelligence
CN117633573A (en) * 2024-01-26 2024-03-01 南京群顶科技股份有限公司 Electric quantity data anomaly detection method and system based on air conditioner operation working condition
CN117896965A (en) * 2024-03-15 2024-04-16 广州崇实自动控制科技有限公司 Temperature self-adaptive optimizing method, device and medium for high-efficiency machine room of digital platform

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000035242A (en) * 1998-07-16 2000-02-02 Matsushita Electric Ind Co Ltd Air conditioning system controller
JP2006064254A (en) * 2004-08-25 2006-03-09 Ntt Power & Building Facilities Inc Air conditioner monitoring system and method
JP2007003187A (en) * 2006-09-07 2007-01-11 Mitsubishi Electric Corp Control system of air conditioner, and control method in control system
CN101957046A (en) * 2010-09-21 2011-01-26 北京怡和瑞信科技发展有限责任公司 Base station/machine room intelligent air-conditioner power-saving control system
WO2012048443A1 (en) * 2010-10-13 2012-04-19 日滔贸易(上海)有限公司 Energy-saving optimized control system and method for refrigeration plant room
CN102818330A (en) * 2011-06-08 2012-12-12 上海启电信息科技有限公司 Communication machine room energy saving system
CN102821581A (en) * 2011-06-08 2012-12-12 上海启电信息科技有限公司 Energy saving method for communication machine room
CN103383130A (en) * 2013-07-31 2013-11-06 南京泰通科技有限公司 Intelligent fresh air and air conditioning linkage control management method
JP2014081123A (en) * 2012-10-16 2014-05-08 Mitsubishi Electric Corp Air conditioning energy saving control device
CN104061664A (en) * 2013-03-22 2014-09-24 中国移动通信集团上海有限公司 System, method and device for monitoring air conditioner in communication room
CN104456872A (en) * 2014-12-12 2015-03-25 广西科技大学 Energy saving control system for air conditioners in machine room
CN105425762A (en) * 2016-01-12 2016-03-23 国网山东省电力公司经济技术研究院 Machine room power environment centralized monitoring system
CN106152422A (en) * 2016-08-19 2016-11-23 杉实环境科技(上海)有限公司 A kind of interactive type communication machine room energy-saving type electric power meter and method
CN106659080A (en) * 2016-12-27 2017-05-10 贵州电网有限责任公司信息中心 Analysis method for auto refrigeration of data center
CN106765563A (en) * 2016-12-02 2017-05-31 青岛海尔空调器有限总公司 Air conditioner energy saving control method
US10180261B1 (en) * 2015-12-28 2019-01-15 Amazon Technologies, Inc. Model based cooling control system
CN109959098A (en) * 2019-02-27 2019-07-02 南京佳力图机房环境技术股份有限公司 A kind of energy-saving reformation of air conditioner in machine room system and remodeling method
CN211424634U (en) * 2019-12-31 2020-09-04 福建省南鸿通讯科技有限公司 Air conditioner energy-saving device for communication machine room

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000035242A (en) * 1998-07-16 2000-02-02 Matsushita Electric Ind Co Ltd Air conditioning system controller
JP2006064254A (en) * 2004-08-25 2006-03-09 Ntt Power & Building Facilities Inc Air conditioner monitoring system and method
JP2007003187A (en) * 2006-09-07 2007-01-11 Mitsubishi Electric Corp Control system of air conditioner, and control method in control system
CN101957046A (en) * 2010-09-21 2011-01-26 北京怡和瑞信科技发展有限责任公司 Base station/machine room intelligent air-conditioner power-saving control system
WO2012048443A1 (en) * 2010-10-13 2012-04-19 日滔贸易(上海)有限公司 Energy-saving optimized control system and method for refrigeration plant room
CN102818330A (en) * 2011-06-08 2012-12-12 上海启电信息科技有限公司 Communication machine room energy saving system
CN102821581A (en) * 2011-06-08 2012-12-12 上海启电信息科技有限公司 Energy saving method for communication machine room
JP2014081123A (en) * 2012-10-16 2014-05-08 Mitsubishi Electric Corp Air conditioning energy saving control device
CN104061664A (en) * 2013-03-22 2014-09-24 中国移动通信集团上海有限公司 System, method and device for monitoring air conditioner in communication room
CN103383130A (en) * 2013-07-31 2013-11-06 南京泰通科技有限公司 Intelligent fresh air and air conditioning linkage control management method
CN104456872A (en) * 2014-12-12 2015-03-25 广西科技大学 Energy saving control system for air conditioners in machine room
US10180261B1 (en) * 2015-12-28 2019-01-15 Amazon Technologies, Inc. Model based cooling control system
CN105425762A (en) * 2016-01-12 2016-03-23 国网山东省电力公司经济技术研究院 Machine room power environment centralized monitoring system
CN106152422A (en) * 2016-08-19 2016-11-23 杉实环境科技(上海)有限公司 A kind of interactive type communication machine room energy-saving type electric power meter and method
CN106765563A (en) * 2016-12-02 2017-05-31 青岛海尔空调器有限总公司 Air conditioner energy saving control method
CN106659080A (en) * 2016-12-27 2017-05-10 贵州电网有限责任公司信息中心 Analysis method for auto refrigeration of data center
CN109959098A (en) * 2019-02-27 2019-07-02 南京佳力图机房环境技术股份有限公司 A kind of energy-saving reformation of air conditioner in machine room system and remodeling method
CN211424634U (en) * 2019-12-31 2020-09-04 福建省南鸿通讯科技有限公司 Air conditioner energy-saving device for communication machine room

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
彭渊博;王浔;周明亮;赵鑫;: "基于提高机房环境设定温度的机柜直冷技术的应用分析", 石油石化节能, no. 01, 20 January 2013 (2013-01-20) *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN112566450A (en) * 2020-11-09 2021-03-26 四川安能能源技术有限公司 Thermal management method for high-heat-density machine room
CN112566450B (en) * 2020-11-09 2022-11-29 四川安能能源技术有限公司 Thermal management method for high-heat-density machine room
CN112378446A (en) * 2020-11-12 2021-02-19 广州华源创兴计算机服务有限公司 Temperature and humidity change curve testing method and system for data center machine room
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CN115031314B (en) * 2022-06-01 2023-08-04 深圳市瑞尔时代科技有限公司 Energy-saving control system for unattended machine room
CN115031314A (en) * 2022-06-01 2022-09-09 深圳市瑞尔时代科技有限公司 Energy-saving control system for unattended machine room
CN115509276A (en) * 2022-10-10 2022-12-23 厦门锐创节能科技有限公司 Method for calculating heating or cooling power of equipment based on spatial gridding and monitoring device
CN115509276B (en) * 2022-10-10 2024-05-07 厦门锐创节能科技有限公司 Calculation method and monitoring device for heating or refrigerating power of equipment based on space meshing
CN116085952A (en) * 2023-01-30 2023-05-09 武汉大学 Energy-saving calculation method, energy-saving controller, terminal and medium for split air conditioner
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CN116489978A (en) * 2023-06-25 2023-07-25 杭州电瓦特科技有限公司 Computer lab energy-saving optimization control system based on artificial intelligence
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