CN201765486U - Facility monitoring system based on cloud computing - Google Patents
Facility monitoring system based on cloud computing Download PDFInfo
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- CN201765486U CN201765486U CN2010201258639U CN201020125863U CN201765486U CN 201765486 U CN201765486 U CN 201765486U CN 2010201258639 U CN2010201258639 U CN 2010201258639U CN 201020125863 U CN201020125863 U CN 201020125863U CN 201765486 U CN201765486 U CN 201765486U
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Abstract
The utility model discloses a facility monitoring system based on cloud computing, which mainly conducts on-site control on each energy consumption facility by utilizing an on-site controller. An energy consumption parameter collector collects parameters relevant to the energy consumption of the energy consumption facility; and a cloud computing manage and control platform conducts centralized control on the collected parameters relevant to the energy consumption of the energy consumption facility and user set parameters (design parameters). The facility monitoring system is compatible with all energy-saving platforms of different manufacturers, so as to conduct centralized monitoring on a great deal of energy consumption facilities through one unified platform, and realize maximum energy conservation and consumption reduction management and networked automatic control. Therefore, the utility model realizes optimized configuration of energy, and achieves better energy saving effect.
Description
Technical field
The utility model relates to energy management control technology field, relates in particular to a kind of equipment monitoring system based on cloud computing.
Background technology
Along with the energy in the worldwide is more and more in short supply, can realize that energy-conservation energy management control system is also just more and more important.
Energy management control system of the prior art usually adopts traditional Electric automation technology, and each energy consumption equipment of single object (as market, shop, hotel, office building industrial premises) is carried out managing power consumption control, belongs to the control of field level.The energy-conservation platform of management of different its uses of producer is also different, usually can't be incompatible, also lack communication each other, and concentrate and carry out unified managing power consumption control thereby can't form a uniform platform, farthest to realize purpose of energy saving.
U.S. TRIDIUM company has developed unified platform system first and has carried out energy management, and it can compatible other energy management platform, for the user provides the energy consumption reference data.But the inventor finds that still there is following problem in it:
1, system runs into the problem that processing speed is not rapid, data protection can't realize when handling a large amount of historical data;
2, system does not carry out comprehensive energy statistics, analysis and management control from aspects such as energy factor, energy policy, target energy, management system, energy consumption base stake, energy performance, energy statistics, energy source optimizations, only be that the energy consumption statistic result is offered the user, allow user oneself remove to revise field control mode, thereby can't realize the optimization configuration of the energy according to statistics.
Cloud computing is the network technology that grew up in recent years, and it is that calculation task is distributed on the resource pool of a large amount of computing machines formations, makes various application systems can obtain computing power, storage space and various software service as required.Each big IT company is numerous and confused to release the platform service of own cloud computing based on cloud computing, and as Google (GOOGLE), Microsoft, Yahoo, Amazon (Amazon) or the like, the summary cloud computing of getting up has following characteristics:
(1) ultra-large." cloud " has suitable scale, and the Google cloud computing has had more than 100 ten thousand station servers, and Amazon, IBM, Microsoft, Yahoo etc. " cloud " all has the hundreds of thousands station server.The privately owned cloud of enterprise generally has hundreds of thousands of station servers, and " cloud " can give the user unprecedented computing power.
(2) virtual.Cloud computing support the user at an arbitrary position, use various terminals to obtain application service.Institute's requested resource is from " cloud ", rather than fixing tangible entity.Be applied in somewhere operation in " cloud ", but in fact the user need not to understand, does not also worry using the particular location of operation.Only need a notebook or a mobile phone, just can realize all that we need, even comprise the task that supercomputing is such by the network service.
(3) high reliability." cloud " used measures such as the many copies of data are fault-tolerant, the computing node isomorphism is interchangeable to ensure the high reliability of service, and it is more reliable than using local computer to use cloud computing.
(4) versatility.Cloud computing can construct Protean application not at specific application under the support of " cloud ", same " cloud " can support different application operations simultaneously.
(5) enhanced scalability.The scale of " cloud " can dynamic retractility, satisfies and uses and the needs of userbase growth.
(6) on-demand service." cloud " is a huge resource pool, and you buy as required; Cloud can resemble tap water, electricity, and coal gas charges like that.
(7) extremely cheap.Because the special fault-tolerant measure of " cloud " can adopt extremely cheap node to constitute cloud, the robotization centralized management of " cloud " makes a large amount of enterprises need not to bear high day by day data center's handling cost, the versatility of " cloud " makes the utilization factor of resource significantly promote than legacy system, therefore the user can enjoy the low-cost advantage of " cloud " to the full, often as long as cost hundreds of dollar, several days time need the task that tens thousand of dollars, time several months just can finish before just finishing.
The utility model content
In order to solve the problems referred to above of prior art, the purpose of this utility model provides a kind of equipment monitoring system based on cloud computing, energy-conservation platform that can compatible all different manufacturers, under a uniform platform, monitor much an energy consumption equipment is concentrated, realize energy-saving and cost-reducing to greatest extent management and networking control automatically, thereby realize the optimization configuration of the energy, reach better energy-saving effect.
To achieve these goals, the utility model provides a kind of equipment monitoring system based on cloud computing, comprising:
Field controller is used for according to user's setup parameter each energy consumption equipment being carried out field control and being sent described user's setup parameter to the cloud computing management console;
Energy consumption parameter acquisition device is used to gather the parameter relevant with the energy consumption of described each energy consumption equipment and sends the cloud computing management console to;
The cloud computing management console is used for adjusting the field control mode of described field controller to described each energy consumption equipment according to the described parameter relevant with the energy consumption of described each energy consumption equipment that collect and described user's setup parameter;
Between described field controller and the described cloud computing management console, all intercom mutually between described energy consumption ginseng data collector and the described cloud computing management console by communication network.
As preferably, described cloud computing management console specifically comprises:
Receiving element is used to receive the described energy consumption parameter acquisition device parameter relevant with energy consumption described each energy consumption equipment that collect and described user's setup parameter;
First judging unit is used to judge whether the described parameter relevant with the energy consumption of described each energy consumption equipment that collect and described user's setup parameter mate and the production judged result;
The energy consumption model generation unit is used for generating corresponding energy consumption model according to the relevant parameter of the energy consumption of described each energy consumption equipment when the judged result of described first judging unit is coupling;
Historical energy consumption model database is used to store various historical energy consumption models;
Second judging unit is used for judging whether the energy consumption model of described generation and historical energy consumption model database corresponding historical energy consumption model mate and generate judged result;
The control model adjustment unit is adjusted the field control mode of described field controller to described each energy consumption equipment when being used for judged result when described first judging unit or described second judging unit and being not matching.
As preferably, the described parameter relevant with the energy consumption of described each energy consumption equipment comprises real time energy consumption parameter, operational factor and security parameter.Wherein, the real time energy consumption parameter is often referred to the directly electrical parameter of each energy consumption equipment of collection of electric metering outfit, the parameter of being correlated with when operational factor comprises each energy consumption equipment operation of temperature, humidity, air quantity, working time, frequency or the like, security parameter comprises the relevant parameter of each energy consumption equipment under the situations such as running status, fault, warning.
As preferably, the corresponding historical energy consumption model is meant the historical energy consumption model of the energy consumption model coupling of power consumption constraint parameter and described generation in the described historical energy consumption model database, and described power consumption constraint parameter comprises a kind of or its combination in applied environment parameter, design parameter, application places type parameter and the energy supply type parameter of described each energy consumption equipment.Have the various historical energy consumption models that meet industry standard (design standards) in the historical energy consumption model database, these historical energy consumption models have been considered evaluation criterions such as energy consumption mark post, efficient mark post, performance mark post, and energy consumption is the most rational comparatively speaking.The foundation of historical energy consumption model is subjected to the restriction of power consumption constraint parameter usually, power consumption constraint parameter difference, and the corresponding historical energy consumption model is just different.The applied environment parameter of each energy consumption equipment comprises geographic position, meteorologic parameter or the like, design parameter comprise design power, measurement range and, design energy consumption parameter, design efficiency or the like, the application places type parameter comprises market, supermarket, hotel, office building, exhibition center, machine room, industrial premises, dwelling house, national grid or the like, and the energy supply type parameter comprises coal, electric power, rock gas, oil, biomass energy, heat energy, renewable sources of energy or the like.Certainly, also have other power consumption constraint parameters, such as control model or the like.
As preferably, described energy consumption ginseng data collector and described field controller all corresponding based on the IPV4 agreement the network address or based on the network address of IPV6 agreement.
As preferably, described user's setup parameter all sends the cloud computing management console to by communication network with the parameter relevant with energy consumption described each energy consumption equipment that collect, and described communication network is any in wireless INTERNET net, wired INTERNET net, GPRS and 3G net or the more advanced transmission network of future generation.
As preferably, described field controller comprises the network temperature and humidity controller; Described energy consumption parameter acquisition device comprises the network Temperature Humidity Sensor; Described control model adjustment unit is used for control model with described network temperature and humidity controller and is adjusted into to dynamically arrange according to the thermal load compensated curve and sets the humiture value.
As preferably, described field controller comprises the network blast volume controller; Described energy consumption parameter acquisition device comprises the gas concentration lwevel sensor; Described control model adjustment unit is used for control model with described network blast volume controller and is adjusted into according to the gas concentration lwevel of described gas concentration lwevel sensor acquisition and regulates the air quantity wind speed.
The beneficial effects of the utility model are, energy-conservation platform that can compatible all different manufacturers, under a uniform platform, a lot of energy consumption equipment are concentrated and monitor, realize energy-saving and cost-reducing to greatest extent management and networking control automatically, thereby realize the optimization configuration of the energy, reach better energy-saving effect.
Description of drawings
Fig. 1 is the structural representation based on the equipment monitoring system of cloud computing of the utility model embodiment.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
The structural representation based on the equipment monitoring system of cloud computing of the utility model embodiment as shown in Figure 1 comprises based on the equipment monitoring system of cloud computing:
Energy consumption parameter acquisition device 12 is used to gather the parameter relevant with the energy consumption of described each energy consumption equipment 10 and sends cloud computing management console 13 to; The parameter relevant with the energy consumption of described each energy consumption equipment comprises real time energy consumption parameter, operational factor and security parameter.Wherein, the real time energy consumption parameter is often referred to the directly electrical parameter of each energy consumption equipment of collection of electric metering outfit, the parameter of being correlated with when operational factor comprises each energy consumption equipment operation of temperature, humidity, air quantity, working time, frequency or the like, security parameter comprises the relevant parameter of each energy consumption equipment under the situations such as running status, fault, warning.Energy consumption parameter acquisition device 12 is generally by sensor, the data statistics of all kinds of band network transmission function with gather unit, data analysis and uploading unit etc. and form, finish the collection and the rough estimates analytic function of data, its actual quantity is to set as required, has a lot of energy consumption parameter acquisition devices.Sensor can be the diverse network temperature sensor, the network humidity sensor, the network air flow sensor, network watt metering sensor, the network air velocity transducer, network air quality sensor, electromechanical equipment operational factor network collection device, network access, security protection, alerting signal collector, distinctive signal network collection device (as CO, CO2, formaldehyde, current etc.) or the like.It is transferred to cloud computing management console 13 with the energy consumption parameter that collects by communication network 20, and communication network 20 can be wireless INTERNET net, wired INTERNET net, GPRS, 3G net or more advanced transmission network of future generation or the like.
Present internet is based on the IPV4 agreement, and the IPV4 agreement adopts 32 bit address length, and limited address space is about to exhaust.Therefore in the equipment monitoring system of extensive quantity, the network address that field controller 11 and energy consumption parameter acquisition device 12 can adopt based on the IPV6 agreement, the IPV6 agreement adopts 128 bit address length, for the whole earth, its address resource can be thought unlimited (every square metre can be distributed more than 1000 network address), even can adapt to the equipment monitoring system in the global range.Cloud computing management console 13 is used for the field control mode of adjusting 11 pairs of described each energy consumption equipment 10 of described field controller according to the relevant parameter of described energy consumption that collect and described each energy consumption equipment 10 and described user's setup parameter.The purpose of adjusting is to realize the optimization configuration of the energy, cuts down the consumption of energy.The cloud computing management console 13 of present embodiment specifically comprises:
Receiving element 131 is used to receive relevant parameter and the described user's setup parameter of described energy consumption parameter acquisition device 12 energy consumptions that collect and described each energy consumption equipment 10;
Energy consumption model generation unit 133 is used for generating corresponding energy consumption model according to the relevant parameter of the energy consumption of described each energy consumption equipment when the judged result of described first judging unit is coupling; Energy consumption model comprises whole power consumption and operation power consumption or the like index.
Historical energy consumption model database 130 is used to store various historical energy consumption models; There are the various historical energy consumption model of industry standard (design standards) and the optimum energy consumption models of being arranged or admitting of meeting in the historical energy consumption model database by files such as related specifications, standards, these historical energy consumption models have been considered evaluation criterions such as energy consumption mark post, efficient mark post, performance mark post, and energy consumption is the most rational comparatively speaking.
Control model adjustment unit 135 is used for judged result when described first judging unit 132 or described second judging unit 134 and is adjusting when not matching the field control mode of 11 pairs of described each energy consumption equipment 10 of described field controller.The explanation energy consumption that do not match is undesirable, need adjust to cut down the consumption of energy field control mode, and till the energy consumption coupling, thereby the optimization that realizes energy consumption disposes.When the judged result of described first judging unit 132 when not matching, illustrate that energy consumption can't reach the requirement that the user sets, and need directly adjust; When the judged result of described second judging unit 134 when not matching, though illustrate that energy consumption can reach the user and set requirement, but also not optimum, do not consider evaluation criterions such as energy consumption mark post, efficient mark post, performance mark post, cut down the consumption of energy thereby be necessary to adjust further.When if the judged result of described second judging unit 134 is coupling, illustrate that the energy consumption model of producing is reasonably satisfactory, then the energy consumption model with described generation joins in the described historical energy consumption model database, enriches historical data, for follow-up managing power consumption control provides reference.
Certainly, the control model of 13 pairs of field controllers 11 of cloud computing management console has a variety of, and the foregoing description has only provided wherein a kind of.
Easy to use for the user, the equipment monitoring system based on cloud computing of present embodiment can be made display interface intuitively, and the user only need manage control by display interface and get final product.
It is fairly obvious to use cloud computing management console 13 to carry out the advantage of energy management control, the scale of cloud computing and the characteristics of extensibility make ultra-large energy consumption centralized control to realize, can realize the energy management control of any kind of in the global range theoretically, comprise building energy consumption management control, the control of electric power transportation managing power consumption or the like, range of application is wider; The virtualized characteristics of cloud computing make each user need not to dispose separately independently energy management control platform when carrying out managing power consumption control, but obtain as required in " cloud ", greatly reduce cost; The characteristics of the resource sharing of cloud computing make that the interior historical data of The whole control platform is very abundant, can mate best historical data as a reference, thereby realize the optimization configuration of the energy.
Managing power consumption with certain building is controlled to be example below, and the application process based on the equipment monitoring system of cloud computing of present embodiment is described.
This building belongs to the commercial affairs building, gross building area about 38,000 square metre, be positioned at the somewhere, structural design is reinforced concrete frame-core barrel structure, no rod structure, and energy consumption equipment mainly is divided into cold and heat source system, air conditioner ventilating system, supply and drain water system, light socket system, elevator device, large-sized power plant system etc.The partial design normative reference is as follows:
1, cold source of air conditioning is electric refrigeration system, and 7 ℃ of supply water temperatures, return water temperature are 12 ℃.The air-conditioning thermal source is municipal high-temperature-hot-water, 110 ℃ of municipal water supply water temperatures, 70 ℃ of return water temperatures.Air conditioning hot is confessed after heat exchange, 60 ℃ of air conditioner water supply water temperatures, 50 ℃ of return water temperatures.
2, chilled water and cooling water system working pressure are 1.5Mpa, and experimental pressure is that working pressure adds 0.5Mpa.The hot-water heating system working pressure is 1.5Mpa, and experimental pressure is that working pressure adds 0.5Mpa.
3, at the outdoor air enthalpy inductor of establishing, can utilize brand-new wind mode to control according to the variation of outdoor enthalpy entropy to greatest extent, realize energy-saving and cost-reducing target, annual concrete VMC (Ventilation Mechanical Control System) control strategy is exemplified below:
A, in air-conditioning season, when return air temperature is lower than outdoor new wind-warm syndrome degree 4 ℃ (hypothesis) and the return air enthalpy is lower than new wind enthalpy 4KJ/Kg (hypothesis). when doing, start the runner heat reclamation device, enter air draft heat recovery operating mode; Continue for some time for 4 ℃ when return air temperature is lower than outdoor new wind-warm syndrome degree less than, runner heat reclamation device out of service changes the new wind operating mode of bypass over to.
B, air-conditioning season, new blower fan exhaust blower is kept minimum fresh air than operation.When the CO2 of return air concentration is higher than setting value, improve new air draft and decide air quantity valve air quantity (CAV) setting value, increase resh air requirement; When return air CO2 concentration is lower than the setting value lower limit, reduce new air draft and decide air quantity valve (CAV) air quantity setting value, reduce resh air requirement.
C, when the outdoor air enthalpy is lower than the setting enthalpy (the indoor design enthalpy is assumed to be 5KJ/Kg. and does) that starts brand-new wind, enter brand-new wind operating mode, open new air-valve of air-conditioning box transition season, close air returning valve, all total new blower fans of chain unlatching, total exhaust blower.
When new wind fully in the decontamination chamber during waste heat, according to indoor temperature control air-conditioning box water valve aperture;
When brand-new wind fully in the decontamination chamber during waste heat, close the air-conditioning box water valve;
Spend lowly when new wind-warm syndrome, regulate new air-valve, air returning valve, reduce resh air requirement, increase the return air amount, new blower fan, pressure fan converting operation according to the indoor temperature value.
D, when brand-new wind operating mode operation, when the outdoor air enthalpy is higher than the setting enthalpy that starts brand-new wind, stop brand-new wind and move, enter air-conditioning season operating mode.
4, indoor design temperature: 25 ℃ of summers, relative humidity 55%, 20 ℃ of winters, relative humidity 30%; 50 cubic metres/people of resh air requirement/hour;
5, outdoor parameter reference value:
33.2 ℃ of the outdoor calculating dry-bulb temperatures of summer air-conditioning
26.4 ℃ of the outdoor calculating wet-bulb temperature of summer air-conditioning
30 ℃ of outdoor design temperature for summer ventilations
Summer outdoor mean wind speed 1.9m/s
The outdoor calculating dry-bulb temperature-12 of winter air-conditioning ℃
The outdoor calculating relative humidity 45% of winter air-conditioning
The outdoor calculating dry-bulb temperature-9 of winter heating ℃
Outdoor design temperature for winter vemtilation-5 ℃
Winter outdoor mean wind speed 2.8m/s
Industry unit's floor area of building energy consumption normative reference of different kinds of building is as follows:
1, to build general energy consumption lower for the office building class, and unit plane is for many years about power consumption 100kWh;
2, hotel's class building power consumption is high slightly, and unit plane is for many years about power consumption 100～200kWh;
3, market class building current consuming apparatus is more, and its lighting quantity is big, and the big and long operational time of air-conditioning system place capacity is compared with the other types building, and market class building year unit area power consumption is bigger, is 200～300kWh substantially;
4, comprehensive commercial building is owing to comprise the groups of building of polytype building, and the area ratio difference of all kinds building, the variation of its energy consumption is also different, and its unit plane of comprehensive commercial building power consumption for many years is 100～300kWh.
It is as follows based on the equipment monitoring system of cloud computing it to be carried out the energy management control procedure:
One, finishes detecting sensor and data message login working site mechanical floor by scene equipment level: comprise energy consumption parameter acquisition device 12 (generally being various kinds of sensors) and field controller 11, energy consumption parameter acquisition device 12 is mainly finished the various types of signal collection, and field controller 11 mainly carries out field control to corresponding energy consumption equipment.
All signals directly insert IP network by switch, are uploaded to collection, storage, statistics and analysis database based on the signal of the equipment monitoring system of cloud computing by internet (wireless or wired mode all can).
The relevant design parameter of energy consumption equipment and building is logined by cloud computing platform, and information enters device signal collection, storage, statistics, analysis and the model database of cloud computing energy management and control system.
The total system framework is based on Ethernet (Lan/WLan), adopts ICP/IP protocol, and the cloud computing management console can pass through OBIX, SNMP, and agreement and fielded system (field controller and energy consumption parameter acquisition device) communication such as XML also obtain data.Mainly obtain following data:
◆ the various detailed status at reference mark, fault, operation or the like data,
◆ the warning summary table
◆ by electric gage probe or by calculating each equipment energy resource consumption data of record
◆ the relevant design parameter of all energy consumption equipment and building
Two, realize the analysis of data and relevant control by control with analysis layer
Other controller of field level is realized other control of field level according to detection signal and user's goal-setting parameter to corresponding apparatus at the scene, and various types of signal is uploaded to device signal collection, storage, the statistics and analysis database of cloud computing energy management and control system.
Temperature with the air-conditioning unit is controlled to be example, and field controller can realize that the content of control comprises to the air-conditioning unit:
A, start and stop control: finish start and stop control according to the start stop command signal;
The adjusting control of B, temperature, humidity: when indoor or wind pushing temperature are higher than setting value (T=20 ℃), turn down water valve winter, when indoor or wind pushing temperature are lower than setting value, drive big water valve by PID control.Summer, when indoor or wind pushing temperature are higher than setting value (T=26 ℃), open the big flood valve opening by PID control, when being lower than setting value, indoor or wind pushing temperature turn down water valve; Humidity is carried out equally;
The control of C, resh air requirement: regulate the control of realization air quantity by the ratio of air-valve, 50 cubic metres/people of maintenance air quantity/hour;
The signals such as electricity metering of D, the cumulative measurement to the unit operation time, the number of starts, working time, motor write down and upload; Main signal is as follows:
◆ send blower fan running status, fan airflow state, the monitoring of hand auto state, start and stop control back to;
◆ send fan frequency converter feedback, frequency converter monitoring, frequency converter adjusting control back to;
◆ return air temperature/moisture measurement, return air CO2 measurement of concetration;
◆ air-supply temperature/moisture measurement;
◆ hot water or cold water's coil pipe water valve is regulated control;
◆ new, air returning valve is regulated control;
◆ humidifier valve is regulated control.
The Energy Saving Control of E, motor: by controller the adjusting of frequency converter is realized, under the situation that the air output of indoor needs changes, realize Energy Saving Control thereby on the basis that guarantees resh air requirement, reduce motor speed as far as possible.
Three, based on the monitoring of tools of cloud computing
At first judge at cloud computing control analysis platform more whether parameter and the parameter of user collect mate,, generate energy consumption model if coupling then keep existing control model is calculated the energy consumption of the whole building total energy consumption of stack and each parameter index; If do not match then need in time to adjust control model.The main parameter index of considering has:
■ building energy consumption total quantity index;
The conventional total energy consumption index of ■;
■ special area total energy consumption index;
■ heating ventilation air-conditioning system energy consumption index:
1) air conditioner ventilating system energy consumption index; 2) heating system energy consumption index;
■ illuminator energy consumption index:
1) general lighting; 2) emergency lighting; 3) Landscape Lighting;
■ indoor equipment energy consumption index;
■ integrated service system energy consumption index;
■ building water consumption total quantity index; Or the like.
Judge that in cloud computing service data model platform whether the energy consumption model that generates meets industry standard, if do not meet, also needs to adjust control model, further to cut down the consumption of energy then.In cloud computing service data model platform, there are the various historical energy consumption models that meet industry standard (design standards), the energy consumption model and the corresponding historical energy consumption model that generate are compared, if power consumption is higher than historical energy consumption model, then need to adjust control model, if be lower than historical energy consumption model, then keep existing control model constant, and the energy consumption model that generates is incorporated as historical energy consumption model.Below provide several frequently seen controlling models as a reference:
A, indoor temperature and humidity controlling models: according to different building types, make up the different Temperature and Humidity Control model of control details respectively, improve control accuracy.Main according to unsteady set point (no longer being single fixed point) being set for the thermal load compensated curve, promptly more effectively adjust the indoor temperature setting value automatically, make it in the scope that the mansion load allows, save energy as much as possible.Field controller comprises the network temperature and humidity controller in this case; Described energy consumption parameter acquisition device comprises the network Temperature Humidity Sensor; Described control model adjustment unit is adjusted into the control model of described network temperature and humidity controller to dynamically arrange according to the thermal load compensated curve sets the humiture value.
The variation of indoor temperature and humidity and building energy conservation have correlativity closely.Show according to NBS's statistical data, if set-point temperature is reduced 1 ℃, with the energy consumption that increases by 9%, if in the winter time set-point temperature is raised 1 ℃, with the energy consumption that increases by 12% in summer.Therefore indoor temperature and humidity being controlled in the setting value accuracy rating is the effective measures of air conditioner energy saving.
Can realize that to the indoor temperature and humidity control accuracy requirement is under possible situation: temperature is ± 1.5 ℃, and humidity is ± 5% variation range.Avoid occurring room temperature in summer cold excessively (being lower than typical set value) or room temperature in winter overheated (being higher than typical set value) phenomenon so as far as possible, thereby realize energy-saving and cost-reducing.
B, outdoor climate Compensation Regulation model: cloud computing energy management and control platform according to outdoor temperature humidity with the seasonal variations situation, change the setting of indoor temperature, make its needs that satisfy people more, give full play to the function of air-conditioning equipment.When outdoor temperature reaches suitable enthalpy, open brand-new wind system, stop the hot and cold water supply.Or when enthalpy is lower than certain value, open free refrigeration system, stop air-conditioner host.
The controlling models of C, resh air requirement
According to hygienic requirements, everyone must guarantee to have certain resh air requirement in the building.But resh air requirement has got many, will increase new invisible waste energy.Design conditions (summer, outdoor temperature was 26 ℃, relative temperature 60%, winter, room temperature was 22 ℃, relative humidity 55%) under, handle one kilogram of (kilogram) outdoor resh air requirement chilling requirement 6.5kWh, heat 12.7kWh, so satisfying under the prerequisite of indoor hygienic requirements, reduce resh air requirement, apparent energy-saving effect is arranged.Implement the main several controlling elements of resh air requirement controlling models:
1) determine resh air requirement according to indoor permission carbon dioxide (CO2) concentration, CO2 safe level value is generally got 0.1% (1000ppm).According to the CO2 concentration in indoor or the return air, regulate resh air requirement automatically, to guarantee the freshness of room air, the Architectural Equipment automated system that control function is more perfect can satisfy these control requirements.Regulate the air quantity wind speed according to gas concentration lwevel, reflected indoor actual conditions, can be energy-conservation to greatest extent.
2) according to the change rule of personnel in the mansion, adopt statistical method, set up new wind air-valve controlling models, determine that with the corresponding time working procedure carries out the new wind air-valve of process control, to reach control to new wind air quantity.
3) using new wind and return air recently to adjust, influence by controlling temperature is not the main foundation of regulating new air-valve, regulating temperature is mainly finished by the surface cooler variable valve, if the adjusting of air-valve is also based on temperature, in control, two equipment are subjected to the influence of a parameter and all make great efforts simultaneously parameter is tended towards stability simultaneously so, and the result is exactly that system produces self-excitation, can or not be difficult to reach stable, so can amplify the dead band value that new wind is regulated temperature, making air-valve is coarse adjustment, water valve is accurate adjustment.The number percent that new wind in the air-conditioning system accounts for air output should not be lower than 10%.No matter how much everyone accounts for room volume, resh air requirement is by adopting more than or equal to 30m3/h. people.
D, to the controlling models of the best start and stop of electromechanical equipment:
The cloud computing management console passes through calculating and the adaptive control to the best start-stop time of air-conditioning equipment, can shorten the tolerant time of unnecessary air-conditioning start and stop under the prerequisite that guarantees amenity, reaches purpose of energy saving; When precooling or preheating, close new wind air-valve simultaneously, not only can reduce place capacity, and can reduce the energy consumption of obtaining new wind and bringing cooling or heating.Blower fan for low power blower fan or band soft start can be considered the step control method of blower fan, if use properly, generally blower fan only moves 40～50 minutes each hour, and energy-saving effect is apparent in view.After air-conditioning equipment adopted the energy-saving run algorithm, it was reasonable more to become working time.Data recording shows, the cumulative time of actual energy supply work is only about 2 hours in every air conditioner one day 24 hours.
E, lighting system controlling models
Public illumination equipment is carried out time switch control, carry out pre-journey brightness adjustment control and window border brightness adjustment control, can greatly reduce energy resource consumption according to daily schedule and outdoor light.
F, peak-to-valley value electricity price difference controlling models:
Make full use of the policy of time-of-use tariffs, cloud computing energy management and control plateform system are made rational ice cold-storage control strategy, and when peak of power consumption, select some unessential relatively electromechanical equipment minimizing peak load in the removal mansion, or the measures such as cold that drop into emergency generator and discharge storage, realization keeps away the peak operation, reduces operating cost.
G, to the control of air-conditioner water system balance and unsteady flow amount:
Heat interchange essence according to air-conditioning system: the water of certain flow carries out energy exchange by the air-supply air-flow that surface cooler and blower fan drive, therefore the efficient of energy exchange is not only relevant to the influence of the thermal efficiency with wind speed and surface cooler temperature, and is simultaneously more relevant with the cold and hot water supply flow and the thermal efficiency.
The cloud computing management console is by (supplying the backwater branch with respect to air-conditioning system to air-conditioning system distal-most end and most proximal end, water collector) air conditioner under different energy supply states and different running statuses flow and the analysis of the measurement parameter of control effect as can be known air-conditioning system have tangible dynamic characteristic, cloud computing energy management and control system are dynamically being regulated the variable valve of each air conditioner in the running status according to the actual needs of heat interchange, Control Flow is carried out respective change, therefore total for the circling water flow rate value also be in all the time continuous variation in, in order to respond this variation, for the pressure of return water difference must with adjust to some extent in the hope of new balance.Set up unsteady flow amount mathematics of control model (algorithm) with historical data by experiment, the air-conditioning water supply and return system is become closed-loop system by open cycle system.
Measured data shows that when the air processing machine flow reached the rated flow operating mode, the variable valve pressure at two ends only was 0.66kg/cm2-1kg/cm2.Dynamically adjust the platform number that make-up pump puts into operation according to air processing machine actual motion platform number and operation flow operating mode, and the fine setting of auxiliary by-pass valve reaches the mode of unsteady flow amount control, can avoid leaking, improve control accuracy, and reduce unnecessary flow loss and power redundancy, thereby bring remarkable energy saving effect.Border data computation factually, energy-saving effect is more than 25%.And will adjust the operating condition of handpiece Water Chilling Units for the circling water flow rate dynamic parameter as feedback quantity, realize tangible energy conservation and consumption reduction effects.
Because intelligent building scientifically uses the Energy Saving Control pattern and the algorithm of cloud computing management console, dynamically adjusts equipment operation, overcome the place capacity and the redundant energy dissipation that causes of power that bring owing to the HVAC design effectively.According to statistics, in the adjusting of heating system, offer water supply, the return water temperature of determining the boiler room in advance,, guaranteeing that room temperature is not less than under 18 ℃ the situation, can save about 3% the energy than heating by rule of thumb with 48 hours daily mean temperatures.Just adopted the weather compensation way and just can save 3%～5% the energy, and native system heat supply part can detect outdoor temperature automatically and gather indoor temperature, be the important evidence of heating demand with it, and the energy of economizing at heating season is not less than 5%.
H, spring transition mode, autumn transition mode controlling models:
1) historical outdoor calculating (dry bulb) thermograph of this area, 2) be whether outdoor daily mean temperature reaches 10 ℃.Enter transition season pattern in spring when satisfying above-mentioned two conditions, system will regulate the size of air-conditioning unit resh air requirement automatically according to timetable this moment, to guarantee indoor comfort level.
When outdoor maximum temperature surpasses 26 ℃, system will take the control model of transition season in autumn, adopt the way that purges night, make full use of outdoor cool air clean rooms and the waste heat in room is taken away.Purge time can be followed according to the variation of weather and be adjusted, and sweeps wind system night mainly according to the thermal load curve, rather than main service time program.
1) historical outdoor (dry bulb) thermograph of this area, 2) be whether outdoor daily mean temperature reaches 8 ℃.System enters transition season pattern in autumn when satisfying above-mentioned two conditions, the size that system will regulate air-conditioning unit resh air requirement automatically according to the hot humidity load curve and the timetable of operation this moment.If but when outdoor maximum temperature is lower than 15 ℃, system will take the control model of transition season in spring, the way that cancellation purges night.
The controlling models in I, employing equivalent temperature and zone
Human body is relatively more responsive for the reaction of temperature, but then want blunt a lot of for the reaction of relative humidity, relative humidity reaction of human body between 35%～65% is more blunt, but surmounts after 65% or be lower than 35%, and human body is to very fierce or the like the principle of the reaction of humidity.In the energy management control procedure, not single employing temperature is controlling index as controlling index but adopt comfort level, promptly uses equivalent temperature to be controlling index (T=25 ℃, φ=50%).Except adopting equivalent temperature as controlling index, also to adopt the method for Region control, be human body to external world environment sensation in certain zone all be pleasant, so there is no need equivalent temperature is controlled at a point, but it is controlled in certain scope, can make system be more prone to stable like this, can be very effective energy-conservation, only this item technology year energy-conservation just can save 10% again on the basis of common strategy.
The model algorithm kind of cloud computing management console has a variety of, mainly be divided into regular algorithm and Event triggered algorithm, wherein regularly algorithm comprises: algebraic manipulation, total value calculating, operation hours, boolean Boolean computing, data integration, piecewise linear function, maximum and minimum value record etc., the Event triggered algorithm comprises: the warning of form task and presented event, site groups group control, zone or cohort warning, unitized construction etc.According to concrete needs selection algorithm, set up controlling models during use.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is limited by additional claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (5)
1. the equipment monitoring system based on cloud computing is characterized in that, comprising:
Field controller is used for according to user's setup parameter each energy consumption equipment being carried out field control and being sent described user's setup parameter to the cloud computing management console;
Energy consumption parameter acquisition device is used to gather the parameter relevant with the energy consumption of described each energy consumption equipment and sends the cloud computing management console to;
The cloud computing management console is used for adjusting the field control mode of described field controller to described each energy consumption equipment according to the described parameter relevant with the energy consumption of described each energy consumption equipment that collect and described user's setup parameter;
Between described field controller and the described cloud computing management console, all intercom mutually between described energy consumption parameter acquisition device and the described cloud computing management console by communication network.
2. the equipment monitoring system based on cloud computing according to claim 1, it is characterized in that, described user's setup parameter all sends the cloud computing management console to by communication network with the parameter relevant with energy consumption described each energy consumption equipment that collect, and described communication network is any in wireless INTERNET net, wired INTERNET net, GPRS and the 3G net.
3. the equipment monitoring system based on cloud computing according to claim 1 is characterized in that, described energy consumption parameter acquisition device and described field controller are the equipment that has the IP address.
4. the equipment monitoring system based on cloud computing according to claim 1 is characterized in that described field controller comprises the network temperature and humidity controller; Described energy consumption parameter acquisition device comprises the network Temperature Humidity Sensor.
5. the equipment monitoring system based on cloud computing according to claim 1 is characterized in that described field controller comprises the network blast volume controller; Described energy consumption parameter acquisition device comprises the gas concentration lwevel sensor.
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