CN106529167B - A kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption - Google Patents
A kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption Download PDFInfo
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 98
- 238000004378 air conditioning Methods 0.000 title claims abstract description 86
- 238000004458 analytical method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000005057 refrigeration Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000004364 calculation method Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000012546 transfer Methods 0.000 claims description 24
- 238000013461 design Methods 0.000 claims description 14
- 238000000205 computational method Methods 0.000 claims description 12
- STECJAGHUSJQJN-USLFZFAMSA-N LSM-4015 Chemical compound C1([C@@H](CO)C(=O)OC2C[C@@H]3N([C@H](C2)[C@@H]2[C@H]3O2)C)=CC=CC=C1 STECJAGHUSJQJN-USLFZFAMSA-N 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 8
- 238000005202 decontamination Methods 0.000 claims description 7
- 230000003588 decontaminative effect Effects 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940059936 lithium bromide Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption, comprise the following steps：Meteorologic parameter setting steps, for setting out door climatic parameter according to the location of air-conditioning system；Computation model is set up and boundary condition setting procedure, and the place for being run according to air-conditioning system determines computation model and boundary condition；Comprehensive energy consumption calculation procedure is used for the annual air-conditioning total refrigeration duty Q according to computation modelIt is cold, formula WAlways=WIt is cold+WGas+WWaterThe comprehensive energy consumption of calculations of air conditioner system.The present invention proposes the Calculation Method of Energy Consumption of non-warm season air-conditioning system, so that the energy consumption calculation of air-conditioning system is more accurate, particularly propose energy consumption for cooling, air system conveying energy consumption, the specific calculation of water system conveying energy consumption, the different building types being easy to as different cities select different air-conditioning systems and air-conditioning system and operational mode are improved so that its is energy-saving.
Description
Technical field
The present invention relates to computer aided calculation technical field, particularly a kind of non-warm season air-conditioning system comprehensive energy consumption
Analysis method.
Background technology
Non- warm season air-conditioning system comprehensive energy consumption is defined as：Non- warm season by waste heat in decontamination chamber, remaining wet etc. consume
Gross energy, including energy consumption for cooling and conveying energy consumption two parts.Energy consumption for cooling is mainly refrigeration machine energy consumption.Medium conveying energy consumption is main
Including water system conveying energy consumption and wind system conveying energy consumption.Its grey water system conveying energy consumption mainly includes water supply pump (primary pump, two
Level pump etc.), the energy consumption of cooling water pump and cooling tower, wind system conveying energy consumption mainly includes air-treatment unit, fan coil, many
The energy consumption of the tail-end blower fans such as online (abbreviation VRF) indoor set.
In non-warm season, when outdoor temperature rise, Indoor Natural room temperature is increased, when room temperature exceedes certain numerical value Tn
When (comfortable thermoneutrality), people will substantially feel uncomfortable, be accomplished by this when with ventilation (including gravity-flow ventilation and machine
Tool is divulged information, and in order to study the situation that air-conditioning system comprehensive energy consumption is maximum, herein refers to force ventilation) method carry out waste heat in decontamination chamber
It is remaining wet.When outdoor temperature continues to rise, when ventilation is unable to wet more than waste heat in decontamination chamber, it is necessary to open refrigeration unit to eliminate
It is wet more than indoor waste heat.
The method and software of country's calculations of air conditioner system energy consumption are many at present, and the more commonly used has EnergyPlus (beautiful
State), DOE-2 (U.S.), DEST (Tsing-Hua University), HY-EP4.0 (achievements of a ruler) etc., but these methods and software all can only be artificial false
Air conditioning energy consumption is calculated in the fixed period, to the energy consumption calculation of non-heating season air-conditioning system, without clear and definite
Define and computational methods.
The content of the invention
The present invention is directed to above-mentioned defect of the prior art, it is proposed that following technical scheme.
A kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption, comprises the following steps：
S1, meteorologic parameter setting steps, for setting out door climatic parameter according to the location of air-conditioning system；
S2, computation model are set up and boundary condition setting procedure, based on the place determination run according to air-conditioning system
Calculate model and boundary condition；
S3, comprehensive energy consumption calculation procedure, for the annual air-conditioning total refrigeration duty Q according to computation modelIt is coldCalculations of air conditioner system
Comprehensive energy consumption, calculation formula is WAlways=WIt is cold+WGas+WWater, wherein, WAlwaysFor air-conditioning system comprehensive energy consumption, WIt is coldFor energy consumption for cooling, WGasFor
Air system conveying energy consumption, WWaterFor water system conveying energy consumption.
Further, the concrete operations of the meteorologic parameter setting steps are：
Corresponding out door climatic parameter is selected from Chinese typical meteorological year meteorological data based on the location of air-conditioning system.
Further, computation model is set up and the concrete operations of boundary condition setting procedure are：
Determine the rooms of buildings general layout and floor information in the place that air-conditioning system is run；
Determine the building enclosure parameter of building：The structural parameters include Shape Coefficient, window-wall ratio, the heat transfer system of aspect
Number, the heat transfer system of the heat transfer coefficient of exterior wall, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, external door
The heat transfer coefficient of number, the heat transfer coefficient of inside door and interior window；
Determine the room parameter of building：The room parameter includes building type, indoor design temperature, relatively wet
Degree, density of personnel, illumination density, plant capacity density and resh air requirement.
Further, using annual cooling load calculation software, the annual air-conditioning total refrigeration duty Q of building is determinedIt is cold；And
Total refrigeration duty Q during air-conditioning system i when obtaining any iI is cold。
Further, energy consumption for cooling WIt is coldComputational methods be：
The handpiece Water Chilling Units run for non-frequency：Wherein, COP is coefficient of performance of refrigerating, QI is coldFor
Total refrigeration duty during air-conditioning system i, tIt is coldFor the low-temperature receiver available machine time；
For the multi-joint unit of converting operation：Wherein, IPLV freezes for multi-gang air-conditioner unit
Comprehensive coefficient of performance, QI is coldTotal refrigeration duty during for air-conditioning system i, tIt is coldFor the low-temperature receiver available machine time.
Further, total refrigeration duty Q during air-conditioning system iI is coldComputational methods be specially：
A. annual cooling load calculation software is utilized, the annual air conditioner load of building is determined；
During air-conditioning system i when b. obtaining that annual air-conditioning total refrigeration duty Q is cold according to annual air conditioner load, and obtaining any i
Total refrigeration duty Qi it is cold.
Further, air system conveying energy consumption WGasComputational methods be：
Wherein, NI endsEnd-equipment power during for i, tEndFor the available machine time of end-equipment.
Further, water system conveying energy consumption WWaterComputational methods be：
When the computation model is an index bed or a computing unit：
EC (H) R-a=A (B+ α ∑ L)/Δ T；
When the computation model be entire building, and main frame, water pump surely frequency run, when being adjusted using number of units：
When the computation model be entire building, and main frame, pump variable frequency operation when：
Wherein, EC (H) R-a is the defeated cold ratio of maximum cooling water system for air conditioning power consumption, and COP is coefficient of performance of refrigerating, QI is coldFor air-conditioning
Total refrigeration duty during system i, tIt is coldFor the low-temperature receiver available machine time, SCOP is that electric low-temperature receiver integrates coefficient of performance of refrigerating SCOP limit values, A be with
The related design factor of pump capacity, B is the design factor related to the water resistance of computer room and user, and ∑ L is from cold and hot computer room
To total delivered length of the confession water return pipeline of the air-conditioning system farthest user, α is the design factor related to ∑ L；Δ T is regulation
Supply backwater temperature difference, Δ t is actual supply backwater temperature difference, and C is the specific heat capacity of water, and H is pump head, and η is pump efficiency, NI is cold
The plant capacity of operation handpiece Water Chilling Units during for i, NI waterThe plant capacity of operation water pump during for i, NI towersOperation cooling during for i
The plant capacity of tower, wasted work heat gain coefficient when K is refrigeration machine cooling, for compression refrigerating machine, takes 1.2~1.3；For bromination
Lithium-absorbing formula refrigeration machine, takes 1.8~2.2.
Using Tn=22 DEG C as judgment criteria, when room natural room temperature is more than 22 DEG C, VMC (including full air
System) air system conveying energy consumption is included in non-warm season air-conditioning system comprehensive energy consumption.When fresh air be unable in decontamination chamber it is wet more than waste heat
When, energy consumption for cooling and water system conveying energy consumption are included in non-warm season air-conditioning system comprehensive energy consumption.
The present invention technique effect be：Propose the Calculation Method of Energy Consumption of non-warm season air-conditioning system so that air-conditioning system
Energy consumption calculation it is more accurate, particularly propose energy consumption for cooling, air system conveying energy consumption, water system conveying energy consumption specific
Calculating time and calculation, the different building types being easy to as different cities select different air-conditioning systems and to air-conditioning system
It is improved with operational mode so that its is energy-saving.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the analysis method of non-warm season air-conditioning system comprehensive energy consumption of the present invention.
Fig. 2 is the schematic diagram of the computation model of the present invention.
Embodiment
1-2 is specifically described below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption of the present invention, and this method includes：
S1, meteorologic parameter setting steps, for setting out door climatic parameter according to the location of air-conditioning system；
S2, computation model are set up and boundary condition setting procedure, based on the place determination run according to air-conditioning system
Calculate model and boundary condition；
S3, comprehensive energy consumption calculation procedure, for the annual air-conditioning total refrigeration duty Q according to computation modelIt is coldFormula WAlways=
WIt is cold+WGas+WWaterThe comprehensive energy consumption for obtaining air-conditioning system is calculated, wherein, WAlwaysFor air-conditioning system comprehensive energy consumption, WIt is coldFor energy consumption for cooling, WGas
For air system conveying energy consumption, WWaterFor water system conveying energy consumption.
Annual air-conditioning total refrigeration duty QIt is coldDirectly calculated and obtained by the annual carry calculation software chosen, while obtaining any i
When QI is cold, QI is coldTotal refrigeration duty during as air-conditioning system i.Annual carry calculation software is directly born using the existing air-conditioning in market
Lotus software for calculation, we choose the annual carry calculation of the relatively simple practical achievements of a ruler and energy consumption analysis software HY-EP4.0 herein.
For the non-warm season comprehensive energy consumption of calculations of air conditioner system, it is thus necessary to determine that the comfortable temperature of thermoneutrality, i.e. crowd, root
According to empirical value and existing achievement in research, the practical thermoneutrality T of the present inventionn=22 DEG C, with dynamic load calculation and simulation of energy consumption
Software calculates the annual dynamic load and natural room temperature of BUILDINGS MODELS, then uses Tn=22 DEG C as judgment criteria, when more than 22
DEG C when, VMC (including all-air system) air system conveying energy consumption is included in non-warm season air-conditioning system comprehensive energy consumption, when
When fresh air is unable to wet more than waste heat in decontamination chamber, energy consumption for cooling and water system conveying energy consumption are included in non-warm season air-conditioning system and integrate energy
Consumption.This is one of important inventive point of the present invention.
According to said method the air-conditioning system comprehensive energy consumption of non-warm season each hour is added and can obtain annual non-warm season
Air-conditioning system comprehensive energy consumption.
At present, the domestic original outdoor weather data of China are more authoritative mainly has：Chinese Industrial Standards (CIS) year (CSWD) meteorological data
With meteorological two sets of year (CNTMY) meteorological data of Chinese Typical Representative.(CSWD meteorological datas are according to national 270 ground to Chinese Industrial Standards (CIS) year
Face meteorological station 1971-2003 actual measurement meteorological data, supplements source data by analysis and arrangement and reasonable mathematic interpolation is obtained
The building thermal environments analysis dedicated data set of 270, the whole nation station obtained.Chinese Typical Representative meteorology year (CNTMY) meteorological data is root
The 1995-2005 provided according to international surface weather observation database meteorological measuring, carries out reasonable difference supplement and obtains
360, whole nation city TMY data.Source data that two sets of data are used, the meteorological element selected and weight factor are all
It is different.
Through research, the result of Chinese Typical Representative meteorology year (CNTMY) simulation of climatic data was averaged closer to the energy consumption of 30 years
Value.Therefore, the outdoor gas calculated is analyzed as air-conditioning system comprehensive energy consumption from meteorological year (CNTMY) meteorological data of Chinese Typical Representative
As parameter.That is the concrete operations of meteorologic parameter setting steps are：Based on the location of air-conditioning system from Chinese typical meteorological year
Meteorological data selects corresponding out door climatic parameter.At present, annual out door climatic parameter is all to be used as calculating using a hour
Step-length.
For the energy consumption of calculations of air conditioner system, first have to determine computation model, the concrete operations of computation model establishment step
For：
Determine the rooms of buildings general layout and floor information in the place that air-conditioning system is run.
Determine the building enclosure parameter of building：Shape Coefficient, window-wall ratio, the heat transfer coefficient of aspect, the heat transfer system of exterior wall
Number, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, the heat transfer coefficient of external door, the heat transfer coefficient of inside door
With the heat transfer coefficient of interior window；
Determine the room parameter of building：Building type, indoor design temperature, relative humidity, density of personnel, illumination are close
Degree, plant capacity density and resh air requirement.
The number of plies of building is at least one layer, can be multilayer, and building enclosure parameter can be pressed when that can not obtain《It is public to build
Saving energy design in a building standard》Lower abbreviation energy conservation standard) minimum requirements set.
Choose the annual air conditioner load of suitable annual carry calculation software computation model；
The important inventive point of the present invention is to have developed energy consumption for cooling WIt is cold, air system conveying energy consumption WGas, water system conveying
Energy consumption WWaterCircular, details are as follows.
Energy consumption for cooling WIt is coldComputational methods be：
The handpiece Water Chilling Units run for non-frequency：Wherein, COP is that coefficient of performance of refrigerating (works as cold water
Can be selected during the non-type selecting of unit from table 1), QI is coldTotal refrigeration duty during for air-conditioning system i, tIt is coldFor the low-temperature receiver available machine time；
For the multi-joint unit of converting operation：Wherein, IPLV freezes for multi-gang air-conditioner unit
Comprehensive coefficient of performance (when the non-type selecting of outdoor unit, can be selected) from table 2, QI is coldTotal refrigeration duty during for air-conditioning system i,
tIt is coldFor the low-temperature receiver available machine time.
Table 1：The coefficient of performance of refrigerating (COP) of cold water (heat pump) unit under nominal cooling condition and rated condition
Table 2：Multi-gang air-conditioner (heat pump) unit refrigeration comprehensive coefficient of performance under nominal cooling condition and rated condition
(IPLV) air system conveying energy consumption WGasComputational methods be：
Wherein, NI endsDisclosed for end-equipment, tEndFor the available machine time of end-equipment.
Water system conveying energy consumption WWaterComputational methods be：
When the computation model is an index bed or a computing unit：
EC (H) R-a=A (B+ α ∑ L)/Δ T；
When the computation model be entire building, and main frame, water pump surely frequency run, when being adjusted using number of units：
When the computation model be entire building, and main frame, pump variable frequency operation when：
Wherein, EC (H) R-a is the defeated cold ratio of maximum cooling water system for air conditioning power consumption, and COP is coefficient of performance of refrigerating, QI is coldFor air-conditioning
Total refrigeration duty during system i, tIt is coldFor the low-temperature receiver available machine time, SCOP is that electric low-temperature receiver integrates coefficient of performance of refrigerating SCOP limit values, A be with
The related design factor of pump capacity, B is the design factor related to the water resistance of computer room and user, and ∑ L is from cold and hot computer room
To total delivered length of the confession water return pipeline of the air-conditioning system farthest user, α is the design factor related to Σ L；Δ T is regulation
Supply backwater temperature difference, Δ t is actual supply backwater temperature difference, and c is the specific heat capacity of water, and H is pump head, and η is pump efficiency, NI is cold
To run the plant capacity of handpiece Water Chilling Units, NI waterTo run the plant capacity of water pump, NI towersTo run the plant capacity of cooling tower.K is
Wasted work heat gain coefficient during refrigeration machine, for compression refrigerating machine, takes 1.2~1.3；For lithium-bromide absorption-type refrigerating machine, 1.8 are taken
~2.2.
Using Tn=22 DEG C as judgment criteria, when room natural room temperature is more than 22 DEG C, VMC (including full air
System) air conveying energy consumption is included in non-warm season air-conditioning system comprehensive energy consumption.When fresh air is unable to wet more than waste heat in decontamination chamber, system
Cold consumption and water system conveying energy consumption are included in non-warm season air-conditioning system comprehensive energy consumption.
Fig. 2 shows an index bed of office building in practical engineering project as calculating mould, and the computation model is divided into 4
Individual unlimited office 1001-1004, each office space 305.75m2, aisle 532m2, toilet, equipment room in Core Walls Structure
Etc. being not counted in air conditioning area.The model is calculated by the above method (cold in Harbin (severe cold), Beijing (cold-moist), Xi'an
It is cold-to dry), Shanghai (Xia Redong is cold), Guangzhou (hot summer and warm winter zone), Kweiyang (gentle) 6 typical urbans are using fan coil, air
Handle unit, the W of multi-connected machine these three different air conditioning terminal formsAlways(for the sake of simplicity, low-temperature receiver only selects cold water Screw chiller to be compared
Relatively analyze).
The calculating time of office is defined by the work hours of general clerical workforce, and specially 8：00~18:00, all minor details are false
Day does not calculate.Building enclosure parameter takes energy conservation standard limit value, specifically refers to table 3.Indoor meteorologic parameter, density of personnel, equipment work(
Numerical value of the value of rate, illumination density and utilization rate by energy conservation standard Appendix B is defined, and is specifically shown in Table 4.For the sake of simplicity, here
It is assumed that room parameter whole year does not change.
Table 3：Enclosed structure parameter
The room parameter of table 4
According to computation model above, time, enclosed structure parameter, room parameter are calculated, to each air-conditioned room of computation model
Between carry out item by item by when calculation of cooling load, the refrigeration duty value in each room in 6 cities refers to table 5.Utilize each calculated
The data such as refrigeration duty, humidity load, the resh air requirement in room, carry out end-equipment type selecting.The specific end type selecting parameter in 6 cities is referred to
Table 6 (due to the equipment difference of each producer, has done handling averagely) here.
Table 5：Summer refrigeration duty statistical form
Table 6：Air conditioner end equipment summary sheet
COP values, the IPLV of multi-connected machine, the SCOP values of water system and EC (H) R-a of 6 city water cooling Screw chillers
Value refers to table 7, table 8, table 9.
Table 7：The COP values of water-cooling screw rod unit and the IPLV values of multi-connected machine
Table 8：The SCOP values of water system
Table 9：The unit cold consumption performance number of water system
Then, it is negative to the whole year dynamic in 6 cities from the annual carry calculation of the achievements of a ruler and energy consumption analysis software HY-EP4.0
Lotus is calculated, then using analysis method and calculation formula above, to 63 kinds of city, a kind of low-temperature receiver forms of Terminal device
The air-conditioning system comprehensive energy consumption of annual non-warm season is calculated.The results detailed in Table 10.
| Area | Multi-connected machine | Fan coil | Air-treatment unit | Maximum difference percentage (%) |
| Harbin | 18384.4 | 21734.4 | 24323.1 | 32.30 |
| Beijing | 18897.0 | 23089.5 | 34048.5 | 80.18 |
| Xi'an | 18651.9 | 22881.2 | 32328.9 | 73.33 |
| Shanghai | 22445.6 | 28007.0 | 55179.1 | 145.8 |
| Guangzhou | 28059.6 | 33820.2 | 59101.5 | 110.6 |
| Kweiyang | 16859.5 | 20417.8 | 28409.3 | 68.5 |
Table 10：The air-conditioning system comprehensive energy consumption unit (KWh) of the annual non-warm season in six cities
Can be the suitable air-conditioning system of design in each city by above-mentioned table 10, and for the more system of energy consumption
Corrective measure is proposed, with energy-saving and emission-reduction, so as to save the substantial amounts of energy.
Method of the present invention, can be realized by computer program, and computer program can also be stored in storage
On medium, processor reads computer program from storage medium, and performs corresponding method, completes the work of series compensation device
Make the monitoring of state, it is ensured that its work safety.
It should be noted last that：Above example only illustrates and not to limit technical scheme, although reference
The present invention is described in detail above-described embodiment, it will be understood by those within the art that：Still can be to this hair
It is bright to modify or equivalent substitution, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should
Cover among scope of the presently claimed invention.
Claims (4)
1. a kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption, it is characterised in that comprise the following steps：
S1, meteorologic parameter setting steps, for setting out door climatic parameter according to the location of air-conditioning system；
S2, computation model are set up and boundary condition setting procedure, and the place for being run according to air-conditioning system determines to calculate mould
Type and boundary condition；
S3, comprehensive energy consumption calculation procedure, for the annual air-conditioning total refrigeration duty Q according to computation modelIt is coldCalculations of air conditioner system it is comprehensive
Energy consumption is closed, calculation formula is WAlways=WIt is cold+WGas+WWater, wherein, WAlwaysFor air-conditioning system comprehensive energy consumption, WIt is coldFor energy consumption for cooling, WGasFor air
System conveying energy consumption, WWaterFor water system conveying energy consumption；
The concrete operations of the meteorologic parameter setting steps are：
Corresponding out door climatic parameter is selected from Chinese typical meteorological year meteorological data based on the location of air-conditioning system；
Computation model is set up and the concrete operations of boundary condition setting procedure are：
Determine the rooms of buildings general layout and floor information in the place that air-conditioning system is run；
Determine the building enclosure parameter of building：The structural parameters include Shape Coefficient, window-wall ratio, the heat transfer coefficient of aspect,
It is the heat transfer coefficient of exterior wall, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, the heat transfer coefficient of external door, interior
The heat transfer coefficient of door and the heat transfer coefficient of interior window；
Determine the room parameter of building：The room parameter includes building type, indoor design temperature, relative humidity, people
Member's density, illumination density, plant capacity density and resh air requirement；
Annual air-conditioning total refrigeration duty QIt is coldComputational methods be specially：
Using annual cooling load calculation software, the annual air-conditioning total refrigeration duty Q of building is determinedIt is cold；And sky when obtaining any i
Total refrigeration duty Q during adjusting system iI is cold；
Water system conveying energy consumption WWaterComputational methods be：
When the computation model is an index bed or a computing unit：
EC (H) R-a=A (B+ α ∑ L)/Δ T；
When the computation model be entire building, and main frame, water pump surely frequency run, when being adjusted using number of units：
When the computation model be entire building, and main frame, pump variable frequency operation when：
Wherein, EC (H) R-a is the defeated cold ratio of maximum cooling water system for air conditioning power consumption, and COP is coefficient of performance of refrigerating, QI is coldFor air-conditioning system i
When total refrigeration duty, tIt is coldFor the low-temperature receiver available machine time, SCOP is that electric low-temperature receiver integrates coefficient of performance of refrigerating SCOP limit values, and A is and water pump
The related design factor of flow, B is the design factor related to the water resistance of computer room and user, ∑ L for from cold and hot computer room to this
Total delivered length of the confession water return pipeline of air-conditioning system farthest user, α is the design factor related to ∑ L；Δ T is defined confession
Backwater temperature difference, Δ t is actual supply backwater temperature difference, and C is the specific heat capacity of water, and H is pump head, and η is pump efficiency, NI is coldDuring for i
Operation handpiece Water Chilling Units plant capacity, NI waterThe plant capacity of operation water pump during for i, NI towersOperation cooling tower during for i is set
Standby power, wasted work heat gain coefficient when K is refrigeration machine cooling, for compression refrigerating machine, takes 1.2~1.3；For lithium bromide absorption
Formula refrigeration machine, takes 1.8~2.2.
2. the analysis method of non-warm season air-conditioning system comprehensive energy consumption according to claim 1, it is characterised in that made in S3
Cold energy consumes WIt is coldComputational methods be：
The handpiece Water Chilling Units run for non-frequency：Wherein, COP is coefficient of performance of refrigerating, QI is coldFor air-conditioning system
Total refrigeration duty during system i, tIt is coldFor the low-temperature receiver available machine time；
For the multi-joint unit of converting operation：Wherein, IPLV is that multi-gang air-conditioner unit refrigeration is comprehensive
Can coefficient, QI is coldTotal refrigeration duty during for air-conditioning system i, tIt is coldFor the low-temperature receiver available machine time.
3. the analysis method of non-warm season air-conditioning system comprehensive energy consumption according to claim 1, it is characterised in that air system
Unite conveying energy consumption WGasComputational methods be：
Wherein, NI endsEnd-equipment power during for i, tEndFor the available machine time of end-equipment.
4. the analysis method of non-warm season air-conditioning system comprehensive energy consumption according to claim 1, it is characterised in that use Tn
=22 DEG C, as judgment criteria, when room natural room temperature is more than 22 DEG C, include the VMC air system of all-air system
Conveying energy consumption is included in non-warm season air-conditioning system comprehensive energy consumption, when fresh air is unable to wet more than waste heat in decontamination chamber, energy consumption for cooling and
Water system conveying energy consumption is included in non-warm season air-conditioning system comprehensive energy consumption, wherein TnFor thermoneutrality.
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| CN201610974302.8A CN106529167B (en) | 2016-10-28 | 2016-10-28 | A kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption |
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| CN201610974302.8A CN106529167B (en) | 2016-10-28 | 2016-10-28 | A kind of analysis method of non-warm season air-conditioning system comprehensive energy consumption |
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| CN106529167B true CN106529167B (en) | 2017-10-13 |
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| CN109340997A (en) * | 2017-07-31 | 2019-02-15 | 广东美的制冷设备有限公司 | Air conditioner power consumption weight testing method, device and computer readable storage medium |
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| CN110765522A (en) * | 2019-10-11 | 2020-02-07 | 中交一航局安装工程有限公司 | A BIM forward design method for HVAC |
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| CN113468629B (en) * | 2021-05-10 | 2022-04-26 | 北京科技大学 | A method for splitting energy consumption in cooling season of clean air-conditioning system |
| CN113566401B (en) * | 2021-08-03 | 2022-08-12 | 国网北京市电力公司 | Demand side load control method |
| CN115048822B (en) * | 2022-08-15 | 2022-10-28 | 天津市气象科学研究所 | Evaluation method and system for refrigeration energy consumption of air conditioner |
| CN116561682B (en) * | 2023-05-19 | 2023-12-19 | 同济大学 | An efficient prediction method for the composition and performance coefficient of HVAC systems in massive urban buildings |
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| CN104676752B (en) * | 2014-11-03 | 2017-08-04 | 广东工业大学 | Analysis method of energy consumption in central air conditioning system with water-cooled chiller as cold source |
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