CN208567008U - Air-conditioning Load Prediction system based on radiated time sequence method - Google Patents
Air-conditioning Load Prediction system based on radiated time sequence method Download PDFInfo
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- CN208567008U CN208567008U CN201820563303.8U CN201820563303U CN208567008U CN 208567008 U CN208567008 U CN 208567008U CN 201820563303 U CN201820563303 U CN 201820563303U CN 208567008 U CN208567008 U CN 208567008U
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004378 air conditioning Methods 0.000 title claims abstract description 27
- 238000004364 calculation method Methods 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims description 22
- 238000013461 design Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000013277 forecasting method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Air-conditioning Load Prediction system based on radiated time sequence method, including meteorologic parameter provides equipment, internal database, user's input side, cold and calculation of Heat Load module；The meteorologic parameter provides equipment, internal database and user's input side and data line is all used to connect with hot and cold load calculation module.The utility model calculates building plans stage air conditioner load in real time effectively to smoothly complete Regional Energy planning tasks.
Description
Technical field
The utility model belongs to air conditioning design load calculation and Heating,Ventilating and Air Conditioning energy consumption prediction field, and in particular to one kind is based on radiation
The Air-conditioning Load Prediction system of Time Series Method.
Background technique
With the fast development of China's economy and society and the continuous propulsion of Development of China's Urbanization, building energy consumption problem is increasingly
It is prominent.Wherein the energy consumption of building air conditioning heating system is huge (energy consumption is based on electric energy), accounts for about the 65% of building energy consumption.Therefore it drops
The importance of low latitude tune heating energy consumption is self-evident.The energy saving way of air conditioning system is broadly divided into the design section of early period at present
It can be with the energy saving in running in later period.Designing energy-efficient core is according to the sky for reliably building cold cooling and heating load configuration suitable capacity
It adjusts, avoids " low load with strong power "；The core of energy saving in running be according to actual Building Cooling load, to the operational process of air-conditioning into
Row real-time monitoring realizes energy-on-demand.
However in the building plans stage, made prediction to air conditioner load to realize that energy conservation is also very important.State at present
Inside and outside expert is dedicated to there are two types of building air conditioning load forecasting methods: the Air-conditioning Load Prediction methods and applications based on energy consumption statistic
The simulating and predicting method of simulation of energy consumption software.The building air conditioning load prediction of Urban Planning Stage is different from design of air conditioning rank
The on-line prediction run time carry calculation and system of section.Common building air conditioning load forecasting method is applied at this stage
There is also certain problems for Urban Planning Stage: (1) load prediction based on statistical law need a large amount of building by when energy
Consume based on data, and auditing department is usually to count to total energy consumption, be difficult to obtain by when dynamic data, and unite
Count all be single building energy consumption reaction, rather than the city ENERGY PLANNING stage need certain type building load it is pre-
It surveys.Requirement is proposed to the representativeness of data.(2) energy simulation software needs a large amount of detailed architecture informations, these
Information is difficult to obtain in Urban Planning Stage, directly affects the precision of analog result.
Utility model content
It is an object of the invention to overcome deficiency in the prior art, a set of base applied to the building plans stage is proposed
In the Air-conditioning Load Prediction system of radiated time sequence method, building plans can effectively solve based on radiated time sequence method
Stage can provide this limited problem of parameter, which can accurately obtain the air conditioner load in building plans stage, so as to
In ENERGY PLANNING and scheduling.
Aiming at the problem that load prediction of heating air conditioning in current building, when the utility model provides one kind based on radiation
Between sequence method Air-conditioning Load Prediction system.
To achieve the above objectives, the present invention adopts the following technical solutions: the air-conditioning based on radiated time sequence method
Load prediction system, including meteorologic parameter provide equipment, internal database, user's input side, cold and calculation of Heat Load module；Institute
Meteorologic parameter offer equipment, internal database and user's input side are provided and all use data line and hot and cold carry calculation mould
Block connection；
The meteorologic parameter provide parameter provided by equipment include outdoor temperature, outside humidity, intensity of solar radiation and
Radiation intensity is scattered, the outdoor temperature, outside humidity, intensity of solar radiation and scattering radiation intensity all use typical meteorological
Year meteorologic parameter database；
Various parameters built in the internal database include indoor design, enclosure structure heat transfer coefficient, a variety of radiation
Time series, a variety of thermal conduction time sequences, lighting power index, plant capacity index, density of personnel index, radiation proportion and each
Kind equipment, personnel, lighting hours table；
User's input side is that user inputs building height H, land area St, window-wall ratio m, site coverage ρ, plot ratio
Vf, substantially number of plies n, building use function, overall floorage S and Shape Coefficient η；
The hot and cold load calculation module is by the typical meteorological year meteorologic parameter database, internal database and use
The data parameters of family input side are used to be calculated based on radiated time sequence method, obtains refrigeration duty and thermic load.
The data provided in the internal database are selected by user or user is from primary input.
The refrigeration duty is to use for cold season.
The thermic load is heating season use.
Compared with prior art, the utility model overcomes the shortcomings of that parameter known to the building plans stage is few, solves rule
The problem of stage load calculates is drawn, accurately calculates building plans stage air conditioner load, computational accuracy is than the existing planning stage
Common calculation method is high, efficiently solves the limited problem of parameter known to the building plans stage, plans Regional Energy and adjust
Degree is of great importance:
1, the utility model is based on radiated time sequence principles, makes the prediction of building plans stage load, accurately convenient for system
Surely source scheme selects energy supply equipment.
2, the utility model solves at present merely by personal experience, feels the problem of managing unit operation, compensates for
Blank in terms of regulation and administration unit running technology.
Detailed description of the invention
Fig. 1 is that Air-conditioning Load Prediction system constitutes figure substantially；
Fig. 2 is load calculation module calculation flow chart；
Specific embodiment
It elaborates below in conjunction with the drawings and specific embodiments to the utility model:
Table 1 obtains heat radiation/convection current ratio recommendation to be internal；
Table 2 is to illuminate to obtain heat parameter under typical service condition；
Table 3 is building enclosure radiated time coefficient；
Table 4 is wall thermal conduction time coefficient table (selecting from ASHRAE Handbook 18.24Table 16).
The current building plans stage load prediction technique such as Air-conditioning Load Prediction methods and applications energy based on energy consumption statistic
Consume the simulating and predicting method etc. of simulation softward.Need largely by when statistical data and quantity of parameters information, but since building is advised
The architectural modulus that the stage of drawing can be provided is limited, it is clear that cannot obtain accurate load prediction results using above method.
A kind of Air-conditioning Load Prediction system based on radiated time sequence method of the utility model, as shown in Figure 1, this is practical
The novel Air-conditioning Load Prediction system based on radiated time sequence method includes that meteorologic parameter provides equipment, internal database, use
Family input side and hot and cold load calculation module；The meteorologic parameter provides equipment, the internal database and user input
Side all uses data line to connect with the hot and cold load calculation module；
The meteorologic parameter provide parameter provided by equipment include outdoor temperature, outside humidity, intensity of solar radiation and
Radiation intensity is scattered, above-mentioned parameter all uses typical meteorological annual data, comes from typical meteorological year meteorologic parameter database；The gas
As parameter providing apparatus is connected to the hot and cold load calculation module by data line；Meteorologic parameter mentions in the present embodiment
It is the database of a storage meteorologic parameter in fact for equipment, because provided meteorologic parameter is the meteorological number in typical meteorological year
According to so meteorologic parameter database can also be called.
Table 3
The data provided in the internal database are selected by user or user is from primary input；In the internal database
Setting various parameters includes that indoor design, enclosure structure heat transfer coefficient, equipment, a variety of thermal conduction time sequences, lighting power refer to
Mark, plant capacity index, density of personnel index, radiation proportion and personnel, lighting hours table, a variety of radiated time sequences；It is described
Internal database is transferred to the hot and cold load calculation module by data line；
Internal database in the present embodiment can also be called parameter-embedded table, be to put parameter needed for some calculating
It sets wherein, such as the heat transfer coefficient on window, wall, roof, radiated time coefficient, conduction time coefficient；Heat transfer ratio, radiation proportion,
Equipment, personnel, lighting hours table, lighting power index, device area index, density of personnel.Storage form is table, such as table 3,
Shown in table 4.
Table 4
User's input side needs user to input building height H, land area St, window-wall ratio m, site coverage ρ, volume
Rate Vf, substantially number of plies n, building use function, overall floorage S and Shape Coefficient η；User's input side is transmitted by data line
To the hot and cold load calculation module；
The hot and cold load calculation module is placed in a control cabinet, is summarized the meteorologic parameter by data line and is mentioned
It for the data parameters of equipment, internal database and user's input side, is calculated, is obtained cold based on radiated time sequence method
Load (for cold season) and thermic load (heating season).
The hot and cold load calculation module use radiated time sequence method (RTSM), as shown in Fig. 2, this method by it is cold,
Thermic load is divided into radiant section and convection part by a certain percentage, specifically includes the following steps:
(1) (first time time delay occurs for the heat that obtains for calculating 24 hours of design day each constituent, by impermeable
Delayed-action present in light building enclosure conduction process is conducted hot by the calculated outer surface of thermal conduction time sequence
Amount)；
(2) will heat is divided into radiant section and convection part is detailed in Figure of abstract, be shown in Table 1 inside heat radiation/right
Stream ratio recommendation；
Table 1
Under typical service condition illuminate heat parameter is as shown in table 2；
Table 2
(3) radiated time sequence appropriate is selected to correct heat show that (second of time delay occurs for refrigeration duty, i.e.,
Radiate converting heat be refrigeration duty when delay)；
(4) heat that obtains of convection part is added with there is the radiant section (radiating to obtain heat by revised) postponed
Obtain the refrigeration duty at certain moment.
Radiated time sequence method (RTSM) is that U.S. heating, refrigeration and air-conditioning man's Association of Engineers (ASHRAE) propose
A method of calculating the hot and cold load of Air-conditioner design.RTSM derives from heat balance method (HBM), and heat balance method is also meter
The method for calculating Air-conditioner design cooling and heating load, feature are to calculate accurately, but calculating process is sufficiently complex.RTSM is the simplification of HBM, is saved
Complicated iterative process has been gone, also can reach degree of precision in terms of accuracy.Radiated time sequence method described in this patent,
The RTSM proposed based on ASHRAE.But maximum characteristic is RTSM to be used for the building plans stage (ASHRAE proposition is herein
For the design phase).Because of the building plans stage, it is known that architectural modulus is less, so the area algorithm of building enclosure with build up
The building enclosure area algorithm of building afterwards has difference.Simplified to a certain extent, for example is calculating the cold negative of window
Lotus part, the direct solar radiation load of either calculating window, which still scatters radiation, can all be related to all parameters --- and the indoor sun dissipates
Strength retrogression's coefficient (IAC) is penetrated, although there is calculation formula in original method, it is thus understood that with good grounds difference sunshade type provides in book
Some IAC reference values, because being the building plans stage, sunshade type is not known simultaneously, it is only necessary to be selected according to Normal practice, then
Its value is obtained by way of tabling look-up.It can be related to the angle problem of a window and ground in the scattering radiation for calculating window,
Institute fenestrate is thought of as vertical surface by us herein.In addition, in computing staff, illumination, when machine utilization, timetable is learnt from else's experience and is tested
Value.
It should be understood that embodiment and example discussed herein simply to illustrate that, to those skilled in the art
For, it can be improved or converted, and all these modifications and variations all should belong to the protection of appended claims of the present invention
Range.
Claims (4)
1. the Air-conditioning Load Prediction system based on radiated time sequence method, which is characterized in that including meteorologic parameter provide equipment,
Internal database, user's input side, cold and calculation of Heat Load module；The meteorologic parameter provides equipment, internal database and use
Family input side all uses data line to connect with hot and cold load calculation module；
It includes outdoor temperature, outside humidity, intensity of solar radiation and scattering that the meteorologic parameter, which provides parameter provided by equipment,
Radiation intensity, the outdoor temperature, outside humidity, intensity of solar radiation and scattering radiation intensity all use typical meteorological year gas
As parameter database；
Various parameters built in the internal database include indoor design, enclosure structure heat transfer coefficient, a variety of radiated times
It sequence, a variety of thermal conduction time sequences, lighting power index, plant capacity index, density of personnel index, radiation proportion and various sets
Standby, personnel, lighting hours table；
User's input side is that user inputs building height H, land area St, it is window-wall ratio m, site coverage ρ, plot ratio Vf, big
Body number of plies n, building use function, overall floorage S and Shape Coefficient η；
The hot and cold load calculation module is defeated by the typical meteorological year meteorologic parameter database, internal database and user
The data parameters for entering side are used to be calculated based on radiated time sequence method, obtains refrigeration duty and thermic load.
2. the Air-conditioning Load Prediction system according to claim 1 based on radiated time sequence method, which is characterized in that institute
The data that there is provided in internal database are stated by user's selection or user from primary input.
3. the Air-conditioning Load Prediction system according to claim 1 based on radiated time sequence method, which is characterized in that institute
Stating refrigeration duty is to use for cold season.
4. the Air-conditioning Load Prediction system according to claim 1 based on radiated time sequence method, which is characterized in that institute
Thermic load is stated as heating season use.
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| CN201820563303.8U CN208567008U (en) | 2018-04-19 | 2018-04-19 | Air-conditioning Load Prediction system based on radiated time sequence method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426354A (en) * | 2018-04-19 | 2018-08-21 | 天津大学 | Air-conditioning Load Prediction system based on radiated time sequence method |
| CN111750460A (en) * | 2019-03-29 | 2020-10-09 | 三菱电机株式会社 | Method for operating a heat pump system, heat pump system and heating, ventilation and air conditioning system |
-
2018
- 2018-04-19 CN CN201820563303.8U patent/CN208567008U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426354A (en) * | 2018-04-19 | 2018-08-21 | 天津大学 | Air-conditioning Load Prediction system based on radiated time sequence method |
| CN111750460A (en) * | 2019-03-29 | 2020-10-09 | 三菱电机株式会社 | Method for operating a heat pump system, heat pump system and heating, ventilation and air conditioning system |
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