A kind of VMC (Ventilation Mechanical Control System)
Technical field
The present invention relates to the VMC (Ventilation Mechanical Control System) technical field in various building, particularly relate to the digital health VMC (Ventilation Mechanical Control System) in a kind of civilian public building.
Background technology
Necessary resh air requirement is the important indicator concerning human comfort, in air quality specification, the resh air requirement of all kinds of public and civil buildings is had clear stipulaties.According to specification, in public building, the resh air requirement standard in difference in functionality region is substantially at 30-50m3Between/people/h, generally it is not less than 15m3/ people/h.But in public building, mobility of people is strong, and number amplitude of fluctuation is big, and according to statistics, large-scale public and commercial building average annual density of personnel only accounts for about the 50% of design conditions.And season in winter in summer two, indoor-outdoor air enthalpy difference is relatively big, generally accounts for the 30-40% of Annual energy consumption for the process energy consumption of new wind, and therefore the on-demand supply of resh air requirement and adjustment have great energy-saving significance.
Adopt of VMC (Ventilation Mechanical Control System) in existing civilian public building concentrates conveying, dispersion tupe more, that is: adopt new ventilating shaft to concentrate and take wind, then heat and wet treatment is carried out respectively by the Fresh air handling units being dispersed in each layer (or working area), such Fresh air handing pattern is unfavorable for equipment control, and Fresh air handling units takes up room greatly, (water) tubing also relative complex.
As can be seen here, how prior art is improved, it is provided that a kind of improve after VMC (Ventilation Mechanical Control System), equipment is easy to management, is controlled, reduce simultaneously take space, simplify pipeline, this is that this area is presently required and solves the technical problem that.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of VMC (Ventilation Mechanical Control System), it is simple to equipment control, control, minimizing takes up room.
For solving above technical problem, the technical scheme is that
A kind of VMC (Ventilation Mechanical Control System), including a Ge Xinfeng center, several air-supply multiple new wind terminals of being correspondingly arranged with each air-supply module of modules and for carry out the control system of air blowing control and connect Xin Feng center, the tubing of blow module, new wind terminal, wherein:
Xin Feng center, for concentrated collection, focuses on new wind and wind new after process is transported to each air-supply module;
Air-supply module, for wind new after the process from Xin Feng center is carried out secondary transmission & distribution, transmission & distribution are to being positioned at several new wind terminals that working area is correspondingly arranged with it;
New wind terminal, for wind new after receiving the process that corresponding air-supply module transmission & distribution are come and carry out resh air requirement adjustment;
Control system, for Xin Feng center, air-supply module, new wind terminal air output be controlled.
Preferably, described tubing includes header pipe and the multiple blowpipes being positioned at different operating district being connected with header pipe, the import of described header pipe connects with described Xin Feng center, each air-supply module is arranged on different blowpipes, and new wind terminal is arranged on the blowpipe at corresponding air-supply module place.
Preferably, the blower fan that described Xin Feng center, air-supply module, new wind terminal are arranged is EC blower fan.
Preferably, described new wind terminal is not provided with EC blower fan, only arranges Electric air valve, it is possible to regulate resh air requirement in real time according to indoor air quality situation.
Preferably, described control system includes:
New wind centralized control unit, for controlling the air output at Xin Feng center;
Air-supply module control unit, for controlling the air output of air-supply module;
New wind Terminal Control Element, for regulating the air output of new wind terminal.
Preferably, described new wind centralized control unit includes blast pressure sensor, air-supply Temperature Humidity Sensor, new wind master controller, is arranged on the electrodynamic valve of heat exchanger cold and heat sources pipe, described blast pressure sensor obtains the header pipe's pressure signal in tubing, described new wind master controller sends air-supply total amount regulating command according to the size of described header pipe's pressure signal to the blower fan at Xin Feng center, and the blower fan at described Xin Feng center is automatically adjusted air-supply total amount;Described air-supply Temperature Humidity Sensor is used for the temperature signal, the moisture signal that obtain in header pipe, the described new wind master controller size according to described temperature signal, moisture signal, electrodynamic valve to the centrally disposed heat exchanger cold and heat sources pipe of new wind sends valve opening regulating command, described electrodynamic valve regulates its valve opening, it is achieved wind pushing temperature, humidity and water capacity control.
Preferably, described new wind centralized control unit also includes PM2.5 sensor, for the PM2.5 concentration signal obtained in the air intake house steward of tubing the new wind master controller being sent to new wind centralized control unit, PM2.5 concentration signal value and setting value are compared by described new wind master controller, when the PM2.5 concentration signal value on air intake house steward is higher than setting value, the new wind master controller of new wind centralized control unit sends control instruction, control Xin Feng center and be switched to the air channel being provided with high efficiency particulate air filter, make new wind be filtered by high efficiency particulate air filter.
Preferably, described new wind centralized control unit is additionally provided with resh air requirement real-time statistics device;The new wind master controller band communication interface of described new wind centralized control unit, is used for accepting BA instruction and realizes set remote start and stop.
Preferably, described air-supply module control unit includes air-supply module controller, blowpipe pressure transducer, described blowpipe pressure transducer obtains the pressure signal in the blowpipe of place tubing, pressure signal in blowpipe and setting value are compared by described air-supply module controller, sending air output regulating control command when pressure signal deviates setting value to the blower fan in air-supply module, the blower fan in described air-supply module regulates air output according to described air output regulating control command.
Preferably, described new wind Terminal Control Element includes new wind terminal controller, air quality mechanism for monitoring, and described air quality mechanism for monitoring obtains indoor VOC, CO of working area2Concentration signal, described new wind terminal controller is according to VOC, CO2Concentration signal is automatically adjusted resh air requirement or the service condition according to indoor circulation air conditioning terminal, automatically carries out new wind switching.
Preferably, described Xin Feng center, air-supply adopt series model when devoting oneself to work at the same time between module, new wind terminal three, unlatching/the closedown at described Xin Feng center is controlled with the pressure signal of header pipe's pressure transducer that described new wind centralized control unit is arranged, unlatching/the closedown of described air-supply module is controlled with the pressure signal of the blowpipe pressure transducer that described air-supply module control unit is arranged, and the signal of the air quality mechanism for monitoring that the unlatching/closedown of described new wind terminal is arranged with new wind terminal is controlled.
Preferably, described air-supply module arranges the heat exchanger that new wind carries out heat and wet treatment.
Compared with prior art, the present invention adopts the Xin Feng center new wind of concentrated collection, focuses on new wind, secondary transmission & distribution are carried out again by the air-supply module being located at working area, owing to air-supply module is not related to Fresh air handing, thus, all arranging Fresh air handling units relative to prior art in each working area and carry out the pattern of Fresh air handing, system is greatly simplified, and the space taking each working area is greatly reduced.The Xin Feng center of the present invention only undertakes header pipe's resistance, revolutionizes the practice that the least favorable resistance according to a certain arm selects the pressure of blower fan, and due to the reduction of blast, leaking out of airduct declines to a great extent, and also saves the transmission & distribution energy consumption of new wind.
Further, Xin Feng center adopts the device structure of modular, and elevator so can be facilitated to carry, and selects one or several suitable new wind module to carry out assembly according to resh air requirement, greatly reduce the restriction of the mounting condition of equipment during practical application.
Further, the VMC (Ventilation Mechanical Control System) of the present invention, PM2.5 sensor, the PM2.5 concentration in the blast pipe of monitoring Xin Feng center are set, air quality mechanism for monitoring are set and obtain indoor VOC, CO of working area2Concentration signal, removes the deleterious particle of 0.3-2.5 micron in new wind, it is possible to meet people's high requirement to air quality.The present invention, to ensure that new wind air quality (cleanliness factor of air, deodorization, interpolation anion etc.) is for main target, can have new wind heat wet process (cool-down dehumidification, warming and humidifying, recuperation of heat etc.) function concurrently simultaneously.
Further, Xin Feng center, air-supply module, new wind terminal all configure digitized EC blower fan, the 0-100% gamut that this blower fan can realize air quantity without converter regulates, it can according to user to resh air requirement demand, change according to header pipe's resistance, regulate the supply of new wind voluntarily, can significantly save cold (heat) amount processing new emaciation due to emotional upset consumption, obvious energy conservation.Additionally, adopt EC blower fan, only undertaking blowpipe resistance, regulate new wind total amount according to the change of branch pipe(tube) resistance, range of accommodation is 0-100%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the VMC (Ventilation Mechanical Control System) embodiment of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below by specific embodiment, the present invention is described in further detail.
The explanation of nouns related in the present invention is as follows:
PM2.5: refer to the surrounding air air kinetics equivalent diameter particulate matter less than or equal to 2.5 μm (microns), also referred to as fine particle.This value is more high, just represents air pollution more serious.In recent years, PM2.5 increasingly becomes social concerns focus, and the hazardness of human body be there has also been increasing medical data and supports by less than 2.5 microns granules.Under the premise ensureing comfortable resh air requirement, it is to avoid PM2.5 exceeds standard the impact on indoor air quality, ensure office, the air quality of living environment has become the current demand of high-end public and civil building.
VOC and VOC, have tremendous influence to health.When the VOC in room reaches finite concentration, in the short time people can feel headache, Nausea and vomiting, weak etc., there will be tic, stupor time serious, and the liver of people, kidney, brain and nervous system can be hurt, cause the serious consequences such as hypomnesis.
Referring to Fig. 1, it is shown that the structural representation of VMC (Ventilation Mechanical Control System) embodiment of the present invention.VMC (Ventilation Mechanical Control System) in the present embodiment includes Xin Feng center 1, air-supply module 2, new wind terminal 3, new wind centralized control unit 4, air-supply module control unit 5, new wind Terminal Control Element 6, Xin Feng center connecting box 7.
Wherein, Xin Feng center 1 includes multiple new wind module 11, new wind module 11 can be divided into several different specification, structure according to building and flow of personnel situation, determine the quantity of the new wind module arranged, in the minds of in one new wind, it is possible to the new wind module that several specification is identical is set, it is also possible to the new wind module that several specification is different is set.Outlet air end and a Xin Feng center connecting box 7 at Xin Feng center 1 connect, and this Xin Feng center connecting box 7 is connected with header pipe g1 again.Header pipe g1 is connected to a plurality of blowpipe g2, each blowpipe is connected to an air-supply module 2 and multiple new wind terminal 3, header pipe after the new wind carried enters blowpipe, first passes through air-supply module 2, carried out secondary transmission & distribution by air-supply module 2 again, flow to each new wind terminal 3.
New wind centralized control unit 4, air-supply module control unit 5, new wind Terminal Control Element 6 include controller, sensor and executor respectively, realize the control of each parts in Xin Feng center 1, air-supply module 2, new wind terminal 3 running respectively:
Wherein, new wind centralized control unit 4 includes blast pressure sensor, air-supply Temperature Humidity Sensor, new wind master controller, is arranged on the electrodynamic valve of heat exchanger cold and heat sources pipe.
Wherein, pressure transducer 41, for obtaining the pressure signal in header pipe g1, this pressure signal is sent to the controller in new wind centralized control unit, pressure signal value and setting value are compared by controller, when deviateing setting value, send speed regulating control instruction to the EC blower fan in Xin Feng center 1, EC blower fan carries out speed governing operation, so can be achieved with the constant pressure on header pipe.
Wherein, humidity temperature pickup 42, for obtaining the temperature signal of header pipe g1 and moisture signal and sending the controller of new wind centralized control unit to, temperature signal and moisture signal setting value respective with it respectively are compared by controller, temperature signal on header pipe g1, during moisture signal deviation setting value, described new wind master controller is according to described temperature signal, the size of moisture signal, electrodynamic valve to the centrally disposed heat exchanger cold and heat sources pipe of new wind sends valve opening regulating command, described electrodynamic valve regulates its valve opening, realize wind pushing temperature, humidity and water capacity control.
New wind centralized control unit is additionally provided with PM2.5 sensor 43, for the PM2.5 concentration signal obtained in air intake house steward the controller being sent to new wind centralized control unit, PM2.5 concentration signal value and setting value are compared by this controller, when the PM2.5 concentration signal value on air intake house steward is higher than setting value, the controller of new wind centralized control unit 4 sends control instruction, air channel in Shi Xinfeng center 1 switches over, it is switched to the air channel being provided with high efficiency particulate air filter, new wind is made to be filtered by high efficiency particulate air filter, it is achieved the control of air-supply PM2.5.
Air-supply module control unit 5 is provided with pressure transducer 51, for obtaining the pressure signal of blowpipe g2, the controller of air-supply module control unit obtains this pressure signal, this pressure signal and setting value are compared, when pressure signal deviates setting value, the controller of air-supply module control unit 5 sends control instruction to the EC blower fan in air-supply module 2, and EC blower fan carries out speed governing operation, it is achieved the constant pressure on blowpipe.
New wind Terminal Control Element 6 is provided with air quality sensor (not shown), for obtaining working area indoor air quality signal, this air quality signal and setting value are compared by the controller of new wind Terminal Control Element 6, when this air quality signal value deviates setting value, the controller of new wind Terminal Control Element 6 sends control instruction to the EC blower fan of new wind terminal, control the air output of new wind terminal 3 so that VOC or CO of room air2Concentration is not higher than setting value.
The VMC (Ventilation Mechanical Control System) of the present embodiment efficiently solves a fresh air supply difficult problem for all kinds of buildings of skyscraper and new wind inconvenience subregion collection, it may be achieved the on-demand supply of new wind, novel wind energy consumption is greatly decreased, makes the whole year operation energy consumption decline 15-20% of air conditioning system.
The Xin Feng center 1 of the present embodiment, owing to adopting modular form to be combined, it is convenient to be arranged on roofing or refuge story;Be conducive to the concentrated collection of new wind, focus on;Facilitate the installation of equipment, maintenance management;Adopt air purifying process, heat and wet treatment technology and EC blower fan technology simultaneously, can for building the new wind providing more healthy, comfortable.
Air-supply module 2 in the present embodiment mainly undertakes the secondary transmission & distribution of new wind, will be delivered to each working region from the fresh air at healthy Xin Feng center is on-demand;Owing to not undertaking the process of new wind, so device structure is simple, volume is little, can effectively save Air Conditioning Facilities area or without Special machine room;
New wind terminal 3 in the present embodiment, can regulate resh air requirement according to indoor air quality situation effectively in real time, it is achieved the on-demand supply of new wind.
In sum, in Xin Feng center, digitized air-supply module, intelligent fresh air terminal are incorporated into by the VMC (Ventilation Mechanical Control System) in the present embodiment, there is system suitability and independence flexibly, can combine with the various air conditioning systems having new wind demand, while the new wind of high-quality is provided, cooling (heat) effect of air conditioning system will not be had any impact, convenient independently from management.
In actual implementation process, can by the whole new wind construction features according to building needed for a building, it is set to the VMC (Ventilation Mechanical Control System) of one or more present invention, by Xin Feng center, new wind is focused on, enormously simplify the new Ventilator Room of prior art scattering device and Fresh air handling units carries out the practice of fresh air supply, save Fresh air handling units to take up room, simplify (water) tubing, convenient construction, maintenance.
The VMC (Ventilation Mechanical Control System) of the present invention, by focusing on new wind, reasonable distribution, the various power consumption links processing new wind are decomposed, not only significantly saving processes cold (heat) amount of new emaciation due to emotional upset consumption, the energy consumption of leaking out of airduct, saves again the energy consumption of electrical machinery of the new wind of transmission & distribution, makes the whole year operation energy consumption decline 15-20% of air conditioning system.
The VMC (Ventilation Mechanical Control System) of the present invention, it is possible to new wind is concentrated heat and wet treatment, be automatically obtained dehumidifying in summer, winter humidification, in the no matter summer in winter, all can ensure that indoor realize a home from home of constant temperature and humidity;Healthy VMC (Ventilation Mechanical Control System) can arrange various air cleaner, it is possible to put into according to the outdoor air PM2.5 automatic selectivity that whether exceeds standard, save utilization of energy and clean, healthy new wind is provided realizing VMC (Ventilation Mechanical Control System).
Below being only the preferred embodiment of the present invention, it is noted that above-mentioned preferred implementation is not construed as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.