CN212691936U - Special air conditioning system for cold air type machine room - Google Patents
Special air conditioning system for cold air type machine room Download PDFInfo
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- CN212691936U CN212691936U CN202021195335.0U CN202021195335U CN212691936U CN 212691936 U CN212691936 U CN 212691936U CN 202021195335 U CN202021195335 U CN 202021195335U CN 212691936 U CN212691936 U CN 212691936U
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Abstract
The embodiment of the utility model provides a special air conditioning system of cold wind formula computer lab is related to, air conditioning system includes: the air conditioner comprises a plurality of groups of racks, an outdoor temperature and humidity sensor, an indoor temperature and humidity sensor, an air conditioning unit, a static pressure box, a plurality of air supply ducts, a fresh air system and a central controller; the indoor temperature and humidity sensor and the outdoor temperature and humidity sensor are respectively arranged inside and outside the machine room and respectively generate a first temperature and humidity signal and a second temperature and humidity signal; the air conditioning unit comprises a cabinet, a blower, a fresh air electric regulating valve, a return air electric regulating valve, a filtering system, a wet film system, a refrigerating system and an air conditioning controller; the static pressure box is connected with the air supply outlet of the machine cabinet through a controllable air valve; one end of each air supply duct is connected with the static pressure box, and the other end of each air supply duct corresponds to the plurality of groups of racks respectively; the air supply duct is arranged at the lower end of the communication equipment and is communicated with an adjustable air inlet of the communication equipment; the fresh air system is communicated with the fresh air inlet of the air conditioning unit.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field especially relates to a special air conditioning system of cold wind formula computer lab.
Background
In the prior art, most machine room air conditioners adopt an upper air supply mode or a lower air supply mode, hot air naturally rises upwards, cold air sinks to form air convection, and when cold air sent out by the air conditioners is consistent with the direction of heat source airflow, air flow is accelerated, so that the temperature of a heat source is favorably reduced, and therefore, the lower air supply mode is superior to the upper air supply mode. For the air conditioner, the air supply direction of the air conditioner is consistent with the convection of cold and hot air distribution in a machine room, so that the resistance of air flow can be reduced, the cold and hot conversion efficiency is accelerated, the working time of a compressor is saved, the power consumption of the air conditioner is reduced, and the effects of saving energy and reducing consumption are achieved.
Although the lower air supply mode is superior to the upper air supply mode, the inaccurate air supply can cause low efficiency to different degrees, and the energy-saving effect cannot be achieved. At present, although most machine rooms adopt a downward air supply mode, the undesirable effect still exists, and the reason may be as follows: firstly, air is supplied under the floor, and various wires under the floor are criss-cross due to the fact that the equipment adopts downward wiring, and the air supply effect of an air conditioner is affected; secondly, the machine room adopts the air conditioner lower extreme to install the static pressure case additional air supply, and the cold wind that the air conditioner sent out directly blows to every row of communication equipment of machine room from the air outlet that the static pressure case was set for, though equipment has adopted the line mode of walking on, the cold wind that sends out also only reduces the back with the temperature in the machine room earlier, gives equipment cooling indirectly again, reaches the effect that equipment temperature no longer improves.
In addition, the machine room air conditioner in the prior art adopts a full fresh air conditioner unit, a dehumidifier, a humidifier and a heater to form a system, the full fresh air conditioner is responsible for controlling the room temperature, the room humidity is adjusted by opening the dehumidifier and the humidifier, but the temperature is adjusted by adopting electric heating mostly, so that the energy is not saved, the control precision is not met, the room temperature and humidity requirements can not be met, and the running reliability of the machine unit cannot be guaranteed due to the fact that the machine room air conditioner is not a control system
Therefore, a special air conditioning system for a cold air machine room needs to be designed, which not only ensures a constant temperature and humidity working environment in the machine room, but also can realize accurate air supply, and achieves the effects of energy saving and consumption reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, provide a special air conditioning system of cold wind formula computer lab, can satisfy the interior constant temperature and humidity requirement of computer lab, and intelligent regulation and control, accurate air supply can reach energy saving and consumption reduction's effect.
In order to achieve the above object, the utility model provides a special air conditioning system of cold wind formula computer lab, air conditioning system includes:
the plurality of groups of racks are arranged in parallel; communication equipment in the machine room is arranged on a plurality of groups of racks;
the outdoor temperature and humidity sensor is arranged outside the machine room and generates a first temperature and humidity signal;
the indoor temperature and humidity sensor is arranged in the machine room and generates a second temperature and humidity signal;
the air conditioning unit comprises a cabinet, a blower, a fresh air electric regulating valve, a return air electric regulating valve, a filtering system, a wet film system, a refrigerating system and an air conditioning controller;
the lower end of the cabinet is provided with an air supply outlet; a mixing cavity is arranged at the upper end of the cabinet, and a fresh air inlet and a return air inlet are respectively formed in the adjacent surfaces of the mixing cavity;
the air feeder is arranged in the cabinet, and the air outlet of the air feeder corresponds to the air supply outlet;
the fresh air electric regulating valve is arranged at the fresh air port of the cabinet;
the return air electric regulating valve is arranged at the return air inlet of the cabinet;
the filtering system is arranged in the cabinet and is opposite to the fresh air inlet;
the wet film system is arranged in the cabinet and is positioned below the filtering system;
the refrigerating system is arranged in the cabinet and is opposite to the blower; the refrigeration system comprises a precooling unit and a copious cooling unit, and the precooling unit and the copious cooling unit are sequentially connected;
the air conditioner controller is respectively electrically connected with the air feeder, the fresh air electric regulating valve, the return air electric regulating valve, the filtering system, the wet film system and the refrigerating system; the air conditioner controller controls the opening degrees of the fresh air electric regulating valve and the return air electric regulating valve according to the first temperature and humidity signal and the second temperature and humidity signal;
the static pressure box is connected with the air supply outlet of the machine cabinet through a controllable air valve;
one end of each air supply duct is connected with the static pressure box, and the other end of each air supply duct corresponds to the plurality of groups of racks respectively; the air supply duct is arranged at the lower end of the communication equipment and is communicated with an adjustable air inlet of the communication equipment;
the fresh air system is communicated with the fresh air opening of the air conditioning unit;
and the central controller is electrically connected with the outdoor temperature and humidity sensor, the indoor temperature and humidity sensor, the air conditioning unit and the fresh air system respectively and is used for controlling the opening size and the closing size of the air conditioning unit and the fresh air system according to the first temperature and humidity signal and the second temperature and humidity signal.
Preferably, the special air conditioning system for the cold air type machine room further comprises a remote monitor, and the remote monitor is connected with the central controller through RS485 communication.
Preferably, the filtration system comprises a self-cleaning filter cartridge.
Preferably, a preheating device is further arranged in the mixing cavity and preheats fresh air entering from the fresh air port.
Preferably, the fresh air electric regulating valve and the return air electric regulating valve both adopt double-layer aluminum alloy electric closed air valves.
Preferably, the fresh air system comprises a fresh air fan; and the air outlet of the fresh air fan is communicated with the fresh air inlet of the air conditioning unit.
Further preferably, the new fan is a centrifugal EC fan.
Preferably, the air conditioning system special for the cold air type machine room further comprises a frequency converter, and the frequency converter is connected with the fresh air machine.
The special air conditioning system for the cold air machine room provided by the embodiment of the utility model adopts the dual-system cooperative arrangement of the precision air conditioner and the fresh air system, remote monitoring and management, and has the dual-machine switching function of the fresh air system of the air conditioner, can exchange heat generated indoors by utilizing low outdoor temperature in three seasons of winter, spring and autumn and early and late summer, is energy-saving, environment-friendly and low-carbon, has an intelligent mode, humanized design and simple operation, meanwhile, on one hand, the air filter can also efficiently filter dust, bacteria, carbon dioxide, nitric oxide, formaldehyde, dimethylbenzene, peculiar smell, smoke particles and other harmful gases in the air to avoid secondary cross contamination of indoor air and has a unique anti-haze function, on the other hand, the air in the machine room is treated to keep the air in the machine room at a certain flow velocity, so that dust deposition is prevented, and dust suspended in the air is filtered out in time.
In addition, the refrigerating air quantity sent by the air conditioning system is sent to the lower end or the side end of the communication equipment through the controllable air channel, the refrigerating capacity and the air quantity sent by the air conditioning system are utilized to the maximum extent to exchange with the heat productivity of the communication equipment, the phenomenon of high temperature or local overheating of the communication equipment is effectively avoided, the refrigerating power of the invalid part of the air conditioning system is reduced, and consumption reduction and energy saving are achieved. The accurate air supply not only can rapidly cool the communication equipment, but also can improve the operation environment of machine room maintenance personnel.
Drawings
Fig. 1 is a schematic structural view of a special air conditioning system for a cold air machine room provided in an embodiment of the present invention;
fig. 2 is a schematic view of an air conditioning unit and a fresh air system of a special air conditioning system for a cold air machine room provided by an embodiment of the present invention;
fig. 3 is a schematic view of a part of an air conditioning unit of the air-cooled air conditioning system special for the machine room provided in the embodiment of the present invention;
fig. 4 is a schematic view of a static pressure box portion of an air conditioning system dedicated for a cold air machine room according to an embodiment of the present invention;
fig. 5 is a block diagram of a structure of a special air conditioning system for a cold air type machine room provided in an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
The embodiment of the utility model provides a special air conditioning system of cold wind formula computer lab that provides adopts the dual system of accurate air conditioner and new trend system to set up in coordination, and remote monitoring management possesses the dual-computer switching function of air conditioner new trend system, can satisfy constant temperature and humidity requirement in the computer lab, and intelligent regulation and control again, accurate air supply reaches energy saving and consumption reduction's effect.
It is to be understood that the following description of the specific embodiments is intended to illustrate and not to limit the invention.
Fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 are respectively a schematic view of a structure of a special air conditioning system for a cold air type room, a partial schematic view of an air conditioning unit and a fresh air system, a schematic view of a partial air conditioning unit, a partial schematic view of a static pressure box, and a structural block diagram. In conjunction with fig. 1-5:
the embodiment of the utility model provides a special air conditioning system of cold wind formula computer lab includes: the air conditioning system comprises a plurality of groups of racks 23, an outdoor temperature and humidity sensor 1, an indoor temperature and humidity sensor 2, an air conditioning unit 3, a fresh air system 4, a central controller 5, a remote monitor 19, a static pressure box 25 and a plurality of air supply ducts 26.
Specifically, this application mainly used cold wind formula computer lab, wherein, for the arrangement of communication equipment 24 in the computer lab, be equipped with multiunit frame 23 in the computer lab, preferably, multiunit frame 23 arranges side by side for communication equipment 24 in the installation computer lab. Of course, the arrangement of the racks 23 is not limited to the parallel arrangement, and may be set according to the actual conditions of the air duct 26 and the communication equipment 24.
For monitoring the indoor outer humiture of computer lab and providing the reference data value, the utility model provides a special air conditioning system of cold wind formula computer lab includes outdoor temperature and humidity sensor 1 and indoor temperature and humidity sensor 2. The outdoor temperature and humidity sensor 1 is installed outside the machine room and used for monitoring the temperature and humidity outside the machine room and generating a first temperature and humidity signal, and the indoor temperature and humidity sensor 2 is installed inside the machine room and used for monitoring the temperature and humidity inside the machine room and generating a second temperature and humidity signal, so that subsequent processing is performed according to the first temperature and humidity signal and the second temperature and humidity signal.
In order to regulate and control the proportion of fresh air and return air in the mixing cavity 14 according to the difference value of the temperature and the humidity of the inside and the outside, the fresh air electric regulating valve 8 is arranged at a fresh air inlet 15 of the cabinet 6 and used for regulating and controlling the air inlet amount of the fresh air in the mixing cavity 14, and the return air electric regulating valve 9 is arranged at a return air inlet 16 of the cabinet 6 and used for regulating and controlling the air inlet amount of the return air in the mixing cavity 14, so that the proportion of the fresh air and the return air in the mixing cavity 14 can be regulated and controlled. For realizing the accurate regulation and control of special air conditioning system of cold wind formula computer lab, new trend electrical control valve 8 and return air electrical control valve 9 all prefer to choose the electronic airtight blast gate of double-deck aluminum alloy for use, realize that intelligence mixes the wind, guarantee the interior invariable humiture of computer lab.
Filtration system 10 is this system's filtration equipment, makes this application have the diversified filtering capability of new trend to have unique antifog haze processing function. In detail, filtration system 10 installs in rack 6, and is relative with fresh air inlet 15's position to harmful gas such as dust, bacterium, carbon dioxide, nitric oxide, formaldehyde, xylol, peculiar smell and smog particulate matter among the high efficiency filtered air has both carried out purification treatment to the new trend, carries out purification treatment to the return air again, avoids indoor air cross contamination, guarantees the cleanliness factor of air in the computer lab. In one particular implementation, the filtration system 10 includes a self-cleaning filter cartridge having a filter area several times larger than the panel style, self-cleaning the filter cartridge, reduced maintenance, and easy replacement.
For regulating and controlling humidity in the machine room according to requirements and keeping a constant humidity environment, the special air conditioning system for the cold air machine room further comprises a wet film system 11, wherein the wet film system 11 is installed in the machine cabinet 6 and located below the filtering system 10 and used for regulating and controlling the humidity of purified air, so that the humidity in the machine room is indirectly regulated and controlled, and constant temperature in the machine room is realized.
The refrigeration system 12, which is the main refrigeration equipment of the air conditioning unit 3, is installed in the cabinet 6 opposite to the blower 7, and is used for refrigerating the air delivered to the room, thereby maintaining a constant temperature environment in the machine room. In a specific embodiment, the refrigeration system 12 includes a pre-cooling unit 17 and a cryogenic unit 18, the pre-cooling unit 17 is connected to the cryogenic unit 18 in sequence, the pre-cooling unit 17 is used for pre-cooling the air entering the air conditioning unit 3, and the cryogenic unit 18 is used for further cooling the air entering the air conditioning unit 3, that is, by pre-cooling and cryogenic cooling the air, the fresh air outside the room is cooled to the environmental temperature required by the user, and the problem of excessive load of the compressor in a direct primary cooling process is avoided.
The air conditioning controller 13 is used as a central processing unit of the air conditioning unit 3, and the air conditioning controller 13 is electrically connected with the blower 7, the fresh air electric regulating valve 8, the return air electric regulating valve 9, the filtering system 10, the wet film system 11 and the refrigerating system 12 respectively. The central controller 5 sends the first temperature and humidity signal and the second temperature and humidity signal to the air conditioner controller 13, and the air conditioner controller 13 controls the opening degrees of the fresh air electric regulating valve 8 and the return air electric regulating valve 9 according to the first temperature and humidity signal and the second temperature and humidity signal, so that intelligent air mixing is performed, and the constant temperature and humidity in a machine room are guaranteed.
The air treated by the air conditioning unit 3 enters the static pressure box 25 through the air supply outlet of the cabinet 6 and is conveyed into the air supply duct 26 through the static pressure box 25, so that the noise is reduced, and further, a controllable air valve 27 is arranged between the static pressure box 25 and the air conditioning unit 3, so that the accurate control of air supply is realized.
For realizing accurate air supply, the embodiment of the utility model provides an still be equipped with many air supply ducts 26 among the special air conditioning system of cold wind formula computer lab, the one end of every air supply duct 26 all links to each other with static pressure case 25, and the other end is corresponding with multiunit frame 23 respectively, and air supply duct 26 sets up in communication equipment 24's lower extreme, and is linked together with communication equipment 24's adjustable air intake. By adopting an up-in and down-out mode, the lower ends of the air conditioning units 3 are arranged on the static pressure boxes 25 connected with the air supply ducts 26, a controllable air valve 27 is additionally arranged between the lower end of each air conditioning unit 3 and the static pressure box 25, and when a certain air conditioning unit 3 breaks down, the air valve is opened to be used for complementing redundant air conditioners so as to ensure that cold air flows through the air duct. Each row of communication equipment 24 is reasonably combined and arranged, the lower end of each communication equipment 24 is fixed on the air supply duct 26, and the lower end of each communication equipment 24 corresponds to an adjustable air inlet; for the communication equipment 24 with air fed from the side surface, two rows of air inlet surfaces are arranged back to back firstly and then are arranged at the upper end of the air supply duct 26, and the opposite surface of the air supply duct 26 is provided with an adjustable air inlet side, so that the two rows of communication equipment 24 are positioned in a cold air convection environment; each row of air supply ducts 26 are provided with air valves and pressure relief ports, and the air supply size can be adjusted according to the heat productivity of the communication equipment 24, so that the air supply system of the whole air conditioning system is in a good operation state.
It should be noted that, when the air supply scheme of the air supply duct 26 is adopted, the main power switch of the air conditioning system and the fire alarm device of the machine room are installed in a linkage control mode, so that the power supply of the air conditioner can be automatically cut off when smoke alarm occurs in the machine room, and the safety and the reliability of the machine room are ensured.
The accurate air supply not only can rapidly cool the communication equipment 24, but also can improve the working environment of machine room maintenance personnel, and is mainly shown in the following aspects:
firstly, because the air supply duct 26 is adopted for supplying air, the noise generated by the air supply of the air conditioning system can be reduced, and the personnel entering the machine room are not sensitive to the sound generated by the air supply of the air conditioning system.
Secondly, the air is supplied by the air supply duct 26, the circulating airflow of the machine room is changed, so that the personnel entering the machine room are directly blown by cold air to become a warming air whisking surface blown out by the communication equipment 24, and the people feel comfortable.
Thirdly, dust particles blown up by the air supply airflow in the machine room are reduced, and the circulating cold and heat exchange airflow is controlled by the air supply duct 26 to be simpler, more convenient and smoother, so that the whole machine room is changed in the prior art that the air of the whole machine room participates in the whole cooling process under the stirring of the air supply airflow; the air is fresher because only part of the air participates in the airflow.
Fourthly, due to the fact that the air supply duct 26 is adopted for supplying air, cold air sent out by an existing air conditioner is changed, the temperature of the whole machine room environment is firstly reduced, then heat and cold exchange can be conducted on heat of communication equipment, and the whole process is enabled to be more direct.
Fifthly, because the air supply duct 26 adopts a controllable design, the amount of cooling air can be adjusted according to the heat productivity of the communication equipment 24, the loss of cooling capacity is reduced, and the amount of air outlets of the air supply duct 26 can be correspondingly increased or reduced along with the increase or reduction of the amount of the communication equipment 24, so that the refrigerating capacity of the air conditioner is more targeted and practical.
Sixth, since the communication equipment 24 is installed above the air supply duct 26, the height is increased, and the hidden danger of water leakage in the machine room can be avoided, so that the safety and reliability are improved.
The special air conditioning system for the cold air type machine room is also provided with another refrigerating system, namely a fresh air system 4. The fresh air system 4 is communicated with a fresh air port 15 of the air conditioning unit 3 and used for guiding outdoor fresh air into the machine room. Further, the fresh air system 4 comprises a fresh air machine 21, an air outlet of the fresh air machine 21 is communicated with a fresh air inlet 15 of the air conditioning unit 3, wherein the fresh air machine 21 comprises an automatic air inlet brake, an automatic exhaust brake, an air inlet fan and an exhaust fan, the fresh air machine 21 and the air conditioning unit 3 are correspondingly divided into an upper layer and a lower layer, the automatic air inlet brake and the air inlet fan are arranged on the upper layer of the fresh air machine 21, the automatic exhaust brake and the exhaust fan are arranged on the lower layer of the fresh air machine 21, the fresh air machine 21 and the upper layer and the lower layer of the air conditioning unit 3 are respectively connected into a whole through pipelines, and an automatic air brake is respectively arranged at the joint of the upper layer and the lower layer, so that intelligent regulation and control are realized, the fresh air refrigerating and heating energy efficiency ratio is particularly high, the fresh air system 4 can be arranged in a machine room. Preferably, the new fan 21 is a centrifugal EC fan, and has the characteristics of large air volume, high residual pressure, low noise, low power consumption and the like.
Meanwhile, the special air conditioning system for the cold air type machine room further comprises a frequency converter 22, wherein the frequency converter 22 is connected with the new air blower 21 and used for controlling the new air blower 21 to realize stepless speed change, namely stepless speed regulation is carried out on the new air blower 21, and air supply quantity is automatically adjusted according to air supply temperature.
In addition, as the northern area has the characteristics of long winter time, low average temperature and dry climate, the refrigeration in winter by using the mixture of outdoor fresh air and return air in winter and transition seasons has obvious natural advantages and obvious energy-saving effect. However, if the fresh air and the return air are directly mixed, a fog area can appear at the mixing point in a severe cold area, and in order to avoid the above situation, the fresh air needs to be preheated, so that a preheating device 20 is also arranged in the mixing cavity 14 and used for preheating the fresh air entering from the fresh air inlet 15, and the final temperature of air preheating is generally 3-5 ℃.
This application adopts two kinds of refrigerating system of air conditioning unit 3 and new trend system 4, dual system collaborative work. The outdoor fresh air circulation and the control device thereof are introduced on the basis of the conventional refrigeration air-conditioning system, so that the system not only can operate under the conventional refrigeration working condition, but also can realize the energy-saving operation under the refrigeration working condition in winter, effectively utilizes two resources of the conventional refrigeration system, and has the functions of high-efficiency resource energy conservation and environmental protection in a machine room air conditioner and other air-conditioning units needing the refrigeration operation in winter.
The central controller 5 is a central processing unit of the special air conditioning system for the cold air machine room, and is electrically connected with the outdoor temperature and humidity sensor 1, the indoor temperature and humidity sensor 2, the air conditioning unit 3 and the fresh air system 4 respectively, and used for controlling the opening size and closing of the air conditioning unit 3 and the fresh air system 4 according to the first temperature and humidity signal and the second temperature and humidity signal. When the outdoor temperature is lower than the indoor set temperature range, the central controller 5 stops the operation of the air conditioning unit 3, opens the fresh air system 4, guides the cold air outside the room into the room after filtering, and simultaneously discharges the hot air inside the room to achieve the purpose of cooling; when the outdoor temperature is higher than the indoor set temperature, the fresh air system 4 is closed and the air conditioning unit 3 is started to reduce the indoor temperature to the set temperature.
Additionally, the utility model provides a special air conditioning system of cold wind formula computer lab still is equipped with remote monitoring ware 19, remote monitoring ware 19 and 5 electric connection of central controller for carry out the remote monitoring management to special air conditioning system of cold wind formula computer lab, realize high accuracy temperature and humidity control, and mark and join in marriage RS485 communication interface, adopt the RS485 communication between remote monitoring ware 19 and the central controller 5 promptly, but remote monitoring management, and possess the air conditioner duplex switching function.
The components and the connection relationship between the components of the air conditioning system dedicated to the cold air room provided in this embodiment are introduced above, and the working principle of the air conditioning system dedicated to the cold air room is described in detail below with reference to fig. 1 to 5.
In this embodiment, the main functions of the air conditioning system dedicated to the cold air room are to realize circulation and ventilation between indoor air and outdoor air of the room and also to purify air, and at present, the air conditioner of the room is set to refrigerate at 18 ℃ or automatically at 24 ℃, and is basically turned on all the year round, so that the electricity waste phenomenon is serious. And the temperature rise of the communication room is caused by heat generated by the running power consumption of equipment. If the heat generated by the machine room can be exchanged by using the outdoor low temperature in the three seasons of winter, spring and autumn and the early and late summer, a large amount of energy consumption of the air conditioner of the machine room is saved. According to the relevant regulations of the operation of electronic equipment, the normal operation can be realized when the temperature of a common machine room is kept at 10-35 ℃ and the humidity is 10-90%.
When the system works, the outdoor temperature and humidity sensor 1 and the indoor temperature and humidity sensor 2 respectively detect the temperature and humidity inside and outside the machine room, respectively generate a first temperature and humidity signal and a second temperature and humidity signal, and send the signals to the central controller 5. If the indoor temperature of the machine room is within the set temperature range, the system is in a standby state; when the outdoor temperature is lower than the set temperature range of the indoor machine room, the central controller 5 controls the air conditioning unit 3 to be closed, opens the fresh air system 4, guides the outdoor cold air into the room after being filtered by the filtering system 10, and simultaneously discharges the indoor hot air, thereby achieving the purpose of cooling; if the outdoor temperature is higher than the set temperature, the fresh air system 4 is closed and the air conditioning unit 3 is started to cool; if the temperature of the machine room reaches the lowest allowable temperature (for example, 15 ℃), the system simultaneously closes the fresh air system 4 and the air conditioning unit 3, and the system is started after the temperature of the standby room rises; if the system detects that the indoor temperature is higher than the allowable maximum temperature (which can be set according to the user requirement, for example, 30 ℃), the air conditioner is forcibly started to cool, and the safety of equipment in the machine room is ensured.
The special air conditioning system for the cold air machine room provided by the embodiment of the utility model adopts the dual-system cooperative arrangement of the precision air conditioner and the fresh air system, remote monitoring and management, and has the dual-machine switching function of the fresh air system of the air conditioner, can exchange heat generated indoors by utilizing low outdoor temperature in three seasons of winter, spring and autumn and early and late summer, is energy-saving, environment-friendly and low-carbon, has an intelligent mode, humanized design and simple operation, meanwhile, on one hand, the air filter can also efficiently filter dust, bacteria, carbon dioxide, nitric oxide, formaldehyde, dimethylbenzene, peculiar smell, smoke particles and other harmful gases in the air to avoid secondary cross contamination of indoor air and has a unique anti-haze function, on the other hand, the air in the machine room is treated to keep the air in the machine room at a certain flow velocity, so that dust deposition is prevented, and dust suspended in the air is filtered out in time.
In addition, the refrigerating air quantity sent by the air conditioning system is sent to the lower end or the side end of the communication equipment through the controllable air channel, the refrigerating capacity and the air quantity sent by the air conditioning system are utilized to the maximum extent to exchange with the heat productivity of the communication equipment, the phenomenon of high temperature or local overheating of the communication equipment is effectively avoided, the refrigerating power of the invalid part of the air conditioning system is reduced, and consumption reduction and energy saving are achieved. The accurate air supply not only can rapidly cool the communication equipment, but also can improve the operation environment of machine room maintenance personnel.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a special air conditioning system of cold wind formula computer lab which characterized in that, air conditioning system includes:
the plurality of groups of racks are arranged in parallel; communication equipment in the machine room is arranged on a plurality of groups of racks;
the outdoor temperature and humidity sensor is arranged outside the machine room and generates a first temperature and humidity signal;
the indoor temperature and humidity sensor is arranged in the machine room and generates a second temperature and humidity signal;
the air conditioning unit comprises a cabinet, a blower, a fresh air electric regulating valve, a return air electric regulating valve, a filtering system, a wet film system, a refrigerating system and an air conditioning controller;
the lower end of the cabinet is provided with an air supply outlet; a mixing cavity is arranged at the upper end of the cabinet, and a fresh air inlet and a return air inlet are respectively formed in the adjacent surfaces of the mixing cavity;
the air feeder is arranged in the cabinet, and the air outlet of the air feeder corresponds to the air supply outlet;
the fresh air electric regulating valve is arranged at the fresh air port of the cabinet;
the return air electric regulating valve is arranged at the return air inlet of the cabinet;
the filtering system is arranged in the cabinet and is opposite to the fresh air inlet;
the wet film system is arranged in the cabinet and is positioned below the filtering system;
the refrigerating system is arranged in the cabinet and is opposite to the blower; the refrigeration system comprises a precooling unit and a copious cooling unit, and the precooling unit and the copious cooling unit are sequentially connected;
the air conditioner controller is respectively electrically connected with the air feeder, the fresh air electric regulating valve, the return air electric regulating valve, the filtering system, the wet film system and the refrigerating system; the air conditioner controller controls the opening degrees of the fresh air electric regulating valve and the return air electric regulating valve according to the first temperature and humidity signal and the second temperature and humidity signal;
the static pressure box is connected with the air supply outlet of the machine cabinet through a controllable air valve;
one end of each air supply duct is connected with the static pressure box, and the other end of each air supply duct corresponds to the plurality of groups of racks respectively; the air supply duct is arranged at the lower end of the communication equipment and is communicated with an adjustable air inlet of the communication equipment;
the fresh air system is communicated with the fresh air opening of the air conditioning unit;
and the central controller is electrically connected with the outdoor temperature and humidity sensor, the indoor temperature and humidity sensor, the air conditioning unit and the fresh air system respectively and is used for controlling the opening size and the closing size of the air conditioning unit and the fresh air system according to the first temperature and humidity signal and the second temperature and humidity signal.
2. The special air conditioning system for the cold air machine room according to claim 1, further comprising a remote monitor, wherein the remote monitor is connected with the central controller by RS485 communication.
3. A cold-air room dedicated air conditioning system according to claim 1, characterized in that said filtering system comprises a self-cleaning filter cartridge.
4. The special air conditioning system for a cold air machine room according to claim 1, wherein a preheating device is further provided in the mixing chamber to preheat the fresh air entering from the fresh air inlet.
5. The special air conditioning system for the cold air machine room according to claim 1, wherein the fresh air electric regulating valve and the return air electric regulating valve are both double-layer aluminum alloy electric closed air valves.
6. The special air conditioning system for a cold air room according to claim 1, wherein the fresh air system comprises a fresh air blower; and the air outlet of the fresh air fan is communicated with the fresh air inlet of the air conditioning unit.
7. A special air conditioning system for a cold air room according to claim 6, wherein said new air blower is a centrifugal EC blower.
8. The special air conditioning system for the cold air machine room according to claim 6, further comprising a frequency converter, wherein the frequency converter is connected to the fresh air blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021195335.0U CN212691936U (en) | 2020-06-24 | 2020-06-24 | Special air conditioning system for cold air type machine room |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966142A (en) * | 2021-09-18 | 2022-01-21 | 中通服节能技术服务有限公司 | Machine room refrigerating cabinet based on heat pipe heat exchanger and air conditioner and control method thereof |
| CN114537628A (en) * | 2022-03-21 | 2022-05-27 | 中国船舶科学研究中心 | Deep sea platform atmospheric environment integrated control device |
| CN115867005A (en) * | 2023-02-28 | 2023-03-28 | 深圳市亿凌捷科技有限公司 | Temperature control device and control method for 5G machine room |
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2020
- 2020-06-24 CN CN202021195335.0U patent/CN212691936U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966142A (en) * | 2021-09-18 | 2022-01-21 | 中通服节能技术服务有限公司 | Machine room refrigerating cabinet based on heat pipe heat exchanger and air conditioner and control method thereof |
| CN113966142B (en) * | 2021-09-18 | 2023-12-12 | 中通服节能技术服务有限公司 | Machine room refrigerating cabinet based on heat pipe exchanger and air conditioner and control method thereof |
| CN114537628A (en) * | 2022-03-21 | 2022-05-27 | 中国船舶科学研究中心 | Deep sea platform atmospheric environment integrated control device |
| CN114537628B (en) * | 2022-03-21 | 2023-03-14 | 中国船舶科学研究中心 | Deep sea platform atmospheric environment comprehensive control device |
| CN115867005A (en) * | 2023-02-28 | 2023-03-28 | 深圳市亿凌捷科技有限公司 | Temperature control device and control method for 5G machine room |
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