CN211424634U - Air conditioner energy-saving device for communication machine room - Google Patents
Air conditioner energy-saving device for communication machine room Download PDFInfo
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Abstract
The utility model relates to the technical field of communication equipment, and provides an energy-saving device for an air conditioner of a communication machine room, which 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 each electric quantity collector is 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 send the energy consumption to the CPU, each temperature sensor is respectively and uniformly distributed in the communication machine room, in a plurality of outdoor areas to collect the temperature of various regions in the communication machine room in real time and send the temperature to the CPU, each humidity sensor is respectively and uniformly distributed in the communication machine room, in a plurality of outdoor areas to collect the humidity of various regions in the communication machine room and send the humidity to the CPU, the, 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 opening and closing of each air conditioner. The utility model provides a problem that communication computer lab air conditioner energy-conserving effect is unsatisfactory.
Description
Technical Field
The utility model relates to a communication equipment technical field, in particular to energy-conserving method of communication computer lab air conditioner and device.
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.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a communication computer lab air conditioner economizer for the active control of air conditioner can be implemented based on the principle of heat energy balance according to the temperature dynamic variation trend of each inside region of prediction computer lab to the energy-conserving effect of communication computer lab air conditioner is showing, temperature regulation and control performance is good, effectively reaches energy-efficient purpose, has still accurately ensured computer lab internal environment demand temperature simultaneously.
In order to solve the technical problem, the utility model discloses take following scheme:
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 beneficial effects of the utility model are 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 schematic block diagram of an embodiment of the present invention;
fig. 2 is a schematic layout diagram of a communication equipment room in the embodiment of the present invention;
fig. 3 is a schematic diagram of power consumption of an air conditioner in which the first stage of three communication rooms adopts the existing passive energy-saving operation in the embodiment of the present invention;
fig. 4 is a schematic diagram of the power consumption of the air conditioner and the daily energy saving ratio in the embodiment of the present invention, when the communication machine room of the carp city, the maritime communication machine room adopts the present invention;
fig. 5 is a schematic diagram of the power consumption of the air conditioner and the daily energy saving ratio in the north peak flood-repelling communication machine room of the embodiment of the present invention;
fig. 6 is a schematic diagram of the power consumption of the air conditioner and the daily energy saving ratio in the embodiment of the utility model when the erythrina indica postal communication machine room adopts the utility model;
fig. 7 is the embodiment of the utility model provides an embodiment the carp city maritime letter communication computer lab adopts the utility model discloses the air conditioner power consumption and the day energy-conserving proportion sketch map of active energy-conserving operation.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 and 2, the preferred energy saving device for air conditioners in communication room of the present invention comprises a plurality of temperature sensors 1, a plurality of humidity sensors 2, a plurality of power 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 power collectors 3 is respectively disposed on various devices in the communication room to collect energy consumption of various devices in the communication room and send the energy consumption to the CPU4, each of the temperature sensors 1 is respectively disposed in the communication room, in the outdoor, in real time, collect area temperature in each of the communication room and send the temperature to the CPU4, each of the humidity sensors 2 is respectively disposed in the communication room, in the outdoor, in each of the area humidity and send the humidity to the CPU4, the plurality of temperature sensors 1 also respectively collect air inlet temperature and air outlet temperature of each air conditioner with air conditioner 9, 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 correctly predicting the temperature of the monitoring point of the operation of the air conditioner 9 in the communication machine room 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 the operation and control of the air conditioner 9 in advance according to the optimal efficiency operation state of the air conditioner 9 and the development trend of predicting the temperature of the monitoring point of the operation and control of the air conditioner 9 in the communication machine room, and then the CPU4 The air conditioner 9 is turned off in advance to guarantee the internal environment requirement of the communication machine room when the cold or 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.
Preferably the utility model discloses a communication computer lab air conditioner economizer's energy-conserving adjusting method, including following step:
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:
wherein beta is the heat conversion coefficient of the communication equipment, and the P is the total electric energy of the equipment entering the machine room; out-Po is the 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, and Ia, Ib and Ic are three instantaneous phase current values of the three-phase power; t is an integral interval of analysis and comparison, and Vdirect is an instantaneous voltage value of 48V direct current power supply of the machine room; i is the instantaneous current value of 48V direct current power supply of the machine room;
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 |
| |
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.
Following is through installing actual communication computer lab the utility model discloses carry out the different tests verification in three stages behind the device the utility model discloses the effect that the device realized in practical application, this actual installation website carry out actual test and are north peak respectively to refuse flood computer lab, carp city hyaline computer lab, the three communication computer lab of erythrina postal service 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.
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.
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.
By above three stage to respectively to north peak refuse flood computer lab, carp city hyacin computer lab, can obviously derive after the three communication computer lab of erythrina postal service room carries out contrast test the utility model discloses a through can be based on the principle of heat energy balance according to the inside each regional temperature dynamic variation trend of prediction computer lab the active control of implementing the air conditioner accurate guarantee computer lab internal environment demand temperature, reach the air conditioner continuous refrigeration time and be greater than the shortest high-efficient operating time that efficiency curve obtained for communication computer lab air conditioner energy-saving effect is showing, realizes that active control is effective energy-conservation improves nearly 40% -50% than current passive form control, effectively reaches energy-efficient purpose.
The utility model adopts a plurality of electric quantity collectors to be 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 be respectively and uniformly distributed in the communication machine room, in the outdoor multi-region real-time collection communication machine room and in the outdoor various region temperature, and simultaneously, each humidity sensor is respectively and uniformly distributed in the communication machine room, in the outdoor multi-region real-time collection communication machine room and in the outdoor various region humidity, and adopts a plurality of temperature sensors to collect the inlet temperature and the outlet temperature of each air conditioner respectively with the inlet and the outlet of each air conditioner in the communication machine room, and combines each data calculated according to the collection parameters of the experience database to predict the temperature dynamic change trend of each region in the communication machine room 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.
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 (3)
1. 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 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 a plurality of outdoor regions to collect the temperature of each region in the communication machine room and in each outdoor region in real time and send the temperature to the CPU, each humidity sensor is respectively and uniformly distributed in the communication machine room, in a plurality of outdoor regions to collect the humidity of each region in the communication machine room and send the humidity to the CPU, the temperature sensors are respectively and uniformly distributed in the communication machine room, in-take temperature and 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 the experience database, and the output end.
2. The energy-saving device of the air conditioner in the communication machine room of claim 1, wherein: the CPU is in communication connection with the server through the communication module.
3. The energy-saving device of the air conditioner in the communication machine room of claim 2, wherein: the server is a cloud server.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925960A (en) * | 2019-12-31 | 2020-03-27 | 福建省南鸿通讯科技有限公司 | Energy-saving method and device for air conditioner of communication machine room |
| CN113507821A (en) * | 2021-07-09 | 2021-10-15 | 广州豪特节能环保科技股份有限公司 | Energy-saving control system and method for air conditioner of machine room |
| CN113760024A (en) * | 2021-11-09 | 2021-12-07 | 天津创启投资有限公司 | Environmental control system based on 5G intelligent space |
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2019
- 2019-12-31 CN CN201922456702.1U patent/CN211424634U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925960A (en) * | 2019-12-31 | 2020-03-27 | 福建省南鸿通讯科技有限公司 | Energy-saving method and device for air conditioner of communication machine room |
| CN113507821A (en) * | 2021-07-09 | 2021-10-15 | 广州豪特节能环保科技股份有限公司 | Energy-saving control system and method for air conditioner of machine room |
| CN113760024A (en) * | 2021-11-09 | 2021-12-07 | 天津创启投资有限公司 | Environmental control system based on 5G intelligent space |
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