CN108846518A - A kind of comprehensive energy Evaluation and Optimization and system - Google Patents
A kind of comprehensive energy Evaluation and Optimization and system Download PDFInfo
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Abstract
The present invention provides a kind of comprehensive energy Evaluation and Optimizations and system, method to include：Obtain year round cooling demand for energy, the annual heating demand for energy, annual power demand of assessment object；According to year round cooling demand for energy, annual heating demand for energy, annual power demand, assesses the annual energy-output ratio of object and assess the efficiency parameter of multiple powering devices of object, establish Energy Efficiency Analysis model；According to the corresponding standard efficiency parameter of multiple powering devices, the target efficiency of Energy Efficiency Analysis model, and the target energy efficiency indexes parameter under target efficiency are calculated；According to the target efficiency of Energy Efficiency Analysis model and target energy efficiency indexes parameter, the comprehensive energy scheme to be assessed of assessment object is optimized.The present invention is realized by establishing Energy Efficiency Analysis model, can be optimized to the comprehensive energy scheme to be assessed of assessment object, be improved assessment object for the utilization rate of the energy.
Description
Technical field
The present invention relates to cold, heat and electricity triple supply field, espespecially a kind of comprehensive energy Evaluation and Optimization and system.
Background technique
With plant-scale continuous expansion, environmental pollution and energy shortages have become urgently to be resolved at present great in China
Social concern.
In order to reduce environmental pollution, energy utilization rate is improved, many gardens or building can all be examined in design planning now
Consider this problem of using energy source.The energy demand of cold and hot electricity needed for integrated energy system terminaloriented user, complementation utilize
Electric power, combustion gas, solar energy, wind energy realize multipotency association by the integrated optimization to energy conversion, storage, conveying and process of consumption
With supply and Integrated Energy cascade utilization.Integrated energy system is in order to meet given cold and hot amount demand and supply, using heat pump, pot
The various energy resources conversion technology such as furnace, cogeneration of heat and power and corresponding equipment.For the input of this kind of various energy resources, conversion, consumption
And the system of storing highly coupling, individually consider that the efficiency of a certain item technology or some link is all not enough to reflect entire system
The level of efficiency of system needs whole system is horizontal to investigate its efficiency as a whole.In the design phase to integrated energy system
Design scheme carries out energy efficiency evaluation, optimizes to the design scheme of integrated energy system, is to promote efficiency of energy utilization
Important means.
Therefore, the present invention provides a kind of comprehensive energy Evaluation and Optimization and systems.
Summary of the invention
The object of the present invention is to provide a kind of comprehensive energy Evaluation and Optimization and systems, realize by establishing Energy Efficiency Analysis
Model can optimize the comprehensive energy scheme to be assessed of assessment object, improve assessment object for the utilization rate of the energy.
Technical solution provided by the invention is as follows：
The present invention provides a kind of comprehensive energy Evaluation and Optimizations, including step：Obtain the year round cooling of assessment object
Demand for energy, annual heating demand for energy, annual power demand；According to the year round cooling demand for energy, described
Whole year heating demand for energy, the annual power demand, the annual energy-output ratio of the assessment object and institute's commentary
The efficiency parameter for estimating multiple powering devices of object, establishes Energy Efficiency Analysis model；It is respectively corresponded according to the multiple powering device
Standard efficiency parameter, calculate the target efficiency of the Energy Efficiency Analysis model, and the target efficiency under the target efficiency
Index parameter；According to the target efficiency and the target energy efficiency indexes parameter of the Energy Efficiency Analysis model, to institute's commentary
The comprehensive energy scheme to be assessed for estimating object optimizes.
Preferably, the year round cooling demand for energy, annual heating demand for energy, annual electric power for obtaining assessment object need
The amount of asking, the step for specifically include：Obtain assessment object by when cooling load, by when heating load, by when electric load；Root
According to it is described by when cooling load, it is described by when heating load, it is described by when electric load, calculate it is described assessment object whole year
Freeze demand for energy, annual heating demand for energy, annual power demand.
Preferably, the powering device includes boiler, heat pump and cold, heat and electricity triple supply equipment, the Energy Efficiency Analysis model
Specially：
Wherein, ηoFor the efficiency of the Energy Efficiency Analysis model；FboilIt is the fuel quantity of the boiler, FCHPIt is the cool and thermal power
Triple supply equipment is used for the fuel quantity of cogeneration of heat and power；ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the cold, heat and electricity three-way
For the heat production efficiency of equipment, ηCHP,eIt is the efficiency of the cold, heat and electricity triple supply equipment electricity production；Eh, Ec are that the heat pump is used for respectively
Heating, the electricity needs freezed；COPh、COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；
Dh、Dc、DeIt is year round cooling demand for energy, the annual heating demand for energy, the annual power demand respectively；A is
The cooling load of the assessment object and the ratio of fixed electric load；B is the heating load and fixed electricity of the assessment object
The ratio of power load；The fixed electric load refers to the electric load for being not used in refrigeration and heating；Index parameter x, for institute's commentary
Estimate the capacity ratio of boiler described in object and the cold, heat and electricity triple supply equipment；Index parameter y is the refrigeration by the heat pump
The ratio of amount and the refrigeration total load of the assessment object；Index parameter z, to pass through heat pump heating capacity and the assessment object
Heat the ratio of total load.
It preferably, further include step：According to the variety of energy sources that the assessment object can be got, available multiple confessions are selected
It can equipment.
Preferably, right according to the target efficiency of the Energy Efficiency Analysis model and the target energy efficiency indexes parameter
It is described assessment object comprehensive energy scheme to be assessed optimize, the step for specifically include：By the comprehensive of the assessment object
It closes index parameter in energy scheme to be assessed to be compared with the target energy efficiency indexes parameter, finds out index ginseng to be optimized
Number, and according to the index parameter to be optimized and target energy efficiency indexes parameter, to the comprehensive energy of the assessment object
Index parameter to be optimized in scheme to be assessed optimizes.
The present invention also provides a kind of comprehensive energy evaluation optimal sysytems, including：Module is obtained, for obtaining assessment object
Year round cooling demand for energy, annual heating demand for energy, annual power demand；Model construction module is obtained with described
Modulus block electrical connection, for according to the year round cooling demand for energy, the annual heating demand for energy, the annual electricity
The efficiency ginseng of multiple powering devices of power demand, the annual energy-output ratio of the assessment object and the assessment object
Number, establishes Energy Efficiency Analysis model；Computing module is electrically connected with the model construction module, according to the multiple powering device point
Not corresponding standard efficiency parameter calculates the target efficiency of the Energy Efficiency Analysis model, and the mesh under the target efficiency
Mark energy efficiency indexes parameter；Optimization module is electrically connected with the computing module, for the mesh according to the Energy Efficiency Analysis model
Efficiency and the target energy efficiency indexes parameter are marked, the comprehensive energy scheme to be assessed of the assessment object is optimized.
Preferably, the acquisition module, be also used to obtain assessment object by when cooling load, by when heating load, by
When electric load；The computing module, be also used to according to it is described by when cooling load, it is described by when heating load, it is described by when
Electric load, the year round cooling demand for energy, annual heating demand for energy, annual electric power for calculating the assessment object need
The amount of asking.
Preferably, the powering device includes boiler, heat pump and cold, heat and electricity triple supply equipment, the model construction module
Building the Energy Efficiency Analysis model be specially：
Wherein, FboilIt is the fuel quantity of the boiler, FCHPIt is the combustion that the cold, heat and electricity triple supply equipment is used for cogeneration of heat and power
Doses；ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the heat production efficiency of the cold, heat and electricity triple supply equipment, ηCHP,eIt is described
The efficiency of cold, heat and electricity triple supply equipment electricity production；Eh, Ec are the electricity needs that the heat pump is used to heat, freeze respectively；COPh、
COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；Dh、Dc、DeIt is the year round cooling energy respectively
Demand, the annual heating demand for energy, the annual power demand；A be it is described assessment object cooling load with
The ratio of fixed electric load；B is the heating load of the assessment object and the ratio of fixed electric load；The fixed electric power
Load refers to the electric load for being not used in refrigeration and heating；Index parameter x is boiler described in the assessment object and described cold and hot
The capacity ratio of electric triple supply equipment；Index parameter y is always to be born by the refrigerating capacity of the heat pump and the refrigeration of the assessment object
The ratio of lotus；Index parameter z, to pass through the ratio of heat pump heating capacity and the heating total load of the assessment object.
Preferably, further include：Processing module, the variety of energy sources for that can be got according to the assessment object, selection can
Multiple powering devices.
Preferably, the optimization module is also used to index ginseng in the comprehensive energy scheme to be assessed of the assessment object
Number is compared with the target energy efficiency indexes parameter, finds out index parameter to be optimized, and join according to the index to be optimized
Several and target energy efficiency indexes parameter joins the index to be optimized in the comprehensive energy scheme to be assessed of the assessment object
Number optimizes.
A kind of comprehensive energy Evaluation and Optimization and system provided through the invention, can bring following at least one to have
Beneficial effect：
1, the Energy Efficiency Analysis models coupling established of the present invention energy demand and consumption of entire assessment object, and combine
The efficiency situation of multiple powering devices, has comprehensive analytical capacity, and analysis result has very high accuracy.
2, the index parameter of the invention by comprehensive energy scheme to be assessed and the target energy efficiency indexes parameter compare
It is right, it can effectively analyze and need improved index parameter, evaluation scheme be improved, the efficiency of optimized evaluation object.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, a kind of comprehensive energy is assessed excellent
Above-mentioned characteristic, technical characteristic, advantage and its implementation for changing method and system are further described.
Fig. 1 is a kind of flow chart of one embodiment of comprehensive energy Evaluation and Optimization of the present invention；
Fig. 2 is a kind of flow chart of another embodiment of comprehensive energy Evaluation and Optimization of the present invention；
Fig. 3 is a kind of structural schematic diagram of one embodiment of comprehensive energy evaluation optimal sysytem of the present invention.
Drawing reference numeral explanation：
1- obtains module, 2- model construction module, 3- computing module, 4- optimization module, 5- processing module.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
The present invention provides a kind of one embodiment of comprehensive energy Evaluation and Optimization, as shown in Figure 1, including：
S1 obtains the year round cooling demand for energy of assessment object, annual heating demand for energy, annual power demand；
S3 is according to the year round cooling demand for energy, the annual heating demand for energy, the annual electricity needs
The efficiency parameter of multiple powering devices of amount, the annual energy-output ratio of the assessment object and the assessment object, is established
Energy Efficiency Analysis model；
S4 calculates the mesh of the Energy Efficiency Analysis model according to the corresponding standard efficiency parameter of the multiple powering device
Mark efficiency, and the target energy efficiency indexes parameter under the target efficiency；
S5 is according to the target efficiency and the target energy efficiency indexes parameter of the Energy Efficiency Analysis model, to described
The comprehensive energy scheme to be assessed of assessment object optimizes.
Assessment object in the present embodiment includes that the regions buildings such as industrial park, large-scale community are setting these buildings
Timing needs to consider the problems of its energy consumption.It is carried out object with energy, production capacity by multiple in garden, community and is comprehensively considered, constructed
Concentrate be distributed mutually cooperate with, the integrated energy system that renewable energy and fossil energy blend, utilization of regenerative energy can be increased
Rate improves Demand-side energy utilization rate.But in the initial stage of design building integrated energy system design scheme, often exists and set
Count shortcoming, therefore, the present embodiment constructs an Energy Efficiency Analysis model, calculate assessment the optimal target efficiency of object with
And optimal target energy efficiency indexes parameter, the comprehensive energy scheme to be assessed of assessment object is optimized.
Specifically, for the purpose for realizing assessment optimization, it is necessary first to establish Energy Efficiency Analysis model.It can be according to assessment object
Item base data information, obtain project whole year by when Building Cooling electric load, annual Building Cooling is obtained according to hourly load
Amount demand, electricity needs does not include air conditioning electricity here.Annual Building Cooling electrical demand is as follows：
Wherein Dh、Dc、DeIt is year round cooling demand for energy, the annual heating demand for energy, the annual electricity respectively
Power demand；dc,i, dh,i, de,iIt is refrigeration demand for energy, the heating demand for energy, power demand at i moment respectively, i is
It is moment, totally 8760 hours annual.
Secondly, according to the year round cooling demand for energy, the annual heating demand for energy, the annual electric power need
The efficiency parameter of multiple powering devices of the amount of asking, the annual energy-output ratio of the assessment object and the assessment object, builds
Vertical Energy Efficiency Analysis model；
For different powering devices, state specified standards efficiency parameter be it is different, it is domestic by taking heat pump as an example
Standard criterion (《Water cooler energy efficiency market and efficiency grade GB19577-2015》) in the regulation of heat-pump apparatus efficiency such as
Shown in table 1：
1 efficiency grading index of table
Since each energy supply is different by the performance of equipment, standard efficiency parameter is also different, needs according to assessment pair
The multiple powering devices being related in the comprehensive energy of elephant scheme to be assessed, find out corresponding standard efficiency parameter, then by this
A little corresponding standard efficiency parameters of powering device are brought into Energy Efficiency Analysis model, calculate optimal target efficiency,
And target energy efficiency indexes parameter of the Energy Efficiency Analysis model under target efficiency, i.e. evaluation criteria in the present embodiment.It will assessment
The comprehensive energy of object scheme to be assessed is compared with target energy efficiency indexes parameter, can find the scheme to be assessed having
There are which shortage.And these shortcomings are optimized.
As shown in Fig. 2, the present invention also provides a kind of another embodiments of comprehensive energy Evaluation and Optimization, including：
S11 obtain assessment object by when cooling load, by when heating load, by when electric load；
S12 according to it is described by when cooling load, it is described by when heating load, it is described by when electric load, calculate described
Assess year round cooling demand for energy, the annual heating demand for energy, annual power demand of object；
The variety of energy sources that S2 can be got according to the assessment object, selects available multiple powering devices；
S3 is according to the year round cooling demand for energy, the annual heating demand for energy, the annual electricity needs
The efficiency parameter of multiple powering devices of amount, the annual energy-output ratio of the assessment object and the assessment object, is established
Energy Efficiency Analysis model；
The powering device includes boiler, heat pump and cold, heat and electricity triple supply equipment, and the Energy Efficiency Analysis model is specially：
Wherein, FboilIt is the fuel quantity of the boiler, FCHPIt is the combustion that the cold, heat and electricity triple supply equipment is used for cogeneration of heat and power
Doses；
ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the heat production efficiency of the cold, heat and electricity triple supply equipment, ηCHP,eIt is
The efficiency of the cold, heat and electricity triple supply equipment electricity production；
Eh, Ec are the electricity needs that the heat pump is used to heat, freeze respectively；
COPh、COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；
Dh、Dc、DeIt is year round cooling demand for energy respectively, the whole year heats demand for energy, the annual electric power needs
The amount of asking；
A is the cooling load of the assessment object and the ratio of fixed electric load；B is that the heating of the assessment object is negative
The ratio of lotus and fixed electric load；The fixed electric load refers to the electric load for being not used in refrigeration and heating；
Index parameter x, for the capacity ratio of boiler and the cold, heat and electricity triple supply equipment described in the assessment object；Index
Parameter y is the ratio by the refrigeration total load of the refrigerating capacity and assessment object of the heat pump；Index parameter z, to pass through
The ratio of the heating total load of heat pump heating capacity and the assessment object.
S4 calculates the mesh of the Energy Efficiency Analysis model according to the corresponding standard efficiency parameter of the multiple powering device
Mark efficiency, and the target energy efficiency indexes parameter under the target efficiency；
S51 is by index parameter and the target energy efficiency indexes parameter in the comprehensive energy scheme to be assessed of the assessment object
It is compared, finds out index parameter to be optimized；
S52 is according to the index parameter to be optimized and target energy efficiency indexes parameter, to the described comprehensive of the assessment object
The index parameter to be optimized closed in energy scheme to be assessed optimizes.
Specifically, the year round cooling demand for energy for assessing object, annual heating energy demand is being calculated in the present invention
After amount, annual power demand, available powering device, the present embodiment can be selected according to the variety of energy sources that can currently get
By taking the powering device that heat pump, boiler and cold, heat and electricity triple supply equipment are selected as an example, the Energy Efficiency Analysis model established with this.
The step of calculating the optimal target efficiency and target energy efficiency indexes parameter of Energy Efficiency Analysis model is specific as follows：
Firstly, since the corresponding energy efficiency indexes parameter of distinct device is different, such as shown in table 1, wind-cooling type heat pump and water
The efficiency parameter of cold type heat pump respectively is all different, and therefore, it is necessary to combine energy supply employed in comprehensive energy scheme to be assessed
The model of equipment determines the standard efficiency parameter of multiple powering devices, and then, with x, y, z are independent variable, respectively advises standard
The relevant device that the bound of the energy valid value of heat pump, cold, heat and electricity triple supply equipment as defined in model and boiler and scheme to be assessed are selected
Energy valid value substitute into Energy Efficiency Analysis model in, recycle mathematical tool (such as local derviation calculate analysis, matlab mathematical tool) ask
Obtain Energy Efficiency Analysis model function of many variables ηoThe maximum value (the target efficiency i.e. in the present embodiment) of=f (x, y, z), and work as to obtain ηo
To correspond to x when maximum value, the value (the target efficiency index parameter i.e. in the present embodiment under target efficiency) of y, z are obtained the most
Ideal comprehensive energy efficiency value.
Using different performance equipment when, EERc,COPhAnd ηCHP,eValue is different.Different EER is selected respectivelyc,COPhWith
ηCHP,eValue, available different efficiency maximum value and different system schemas (x, y, z are different).
According to the target efficiency for the Energy Efficiency Analysis model being calculated, and the target energy under the target efficiency
Imitate index parameter, the range whether the energy valid value for the powering device that scheme more to be assessed first is selected gives in standard criterion
Interior, scheme evaluation to be assessed does not pass through if not in the range of standard criterion provides.If the equipment that scheme to be assessed is selected its
Can valid value in the range of standard criterion provides, then scheme to be assessed is calculated with corresponding according to Energy Efficiency Analysis formula
Parameter x, y, z is compared, and filters out the index parameter to be optimized wherein having differences, and obtains having in scheme to be assessed to be hoisted
Link, proposition be correspondingly improved suggestion.
The present invention provides a kind of one embodiment of comprehensive energy evaluation optimal sysytem, including：
Module 1 is obtained, for obtaining the year round cooling demand for energy of assessment object, whole year heats demand for energy, complete
Annual electricity load amount；
Model construction module 2 is electrically connected with the acquisition module 1, for according to the year round cooling demand for energy, institute
State annual heating demand for energy, the annual power demand, the annual energy-output ratio of the assessment object and described
The efficiency parameter for assessing multiple powering devices of object, establishes Energy Efficiency Analysis model；
Computing module 3 is electrically connected with the model construction module 2, according to the corresponding mark of the multiple powering device
Quasi- efficiency parameter calculates the target efficiency of the Energy Efficiency Analysis model, and the target energy efficiency indexes under the target efficiency
Parameter；
Optimization module 4 is electrically connected with the computing module 3, for the target energy according to the Energy Efficiency Analysis model
Effect and the target energy efficiency indexes parameter optimize the comprehensive energy scheme to be assessed of the assessment object.
Assessment object in the present embodiment includes that the regions buildings such as industrial park, large-scale community are setting these buildings
Timing needs to consider the problems of its energy consumption.It is carried out object with energy, production capacity by multiple in garden, community and is comprehensively considered, constructed
Concentrate be distributed mutually cooperate with, the integrated energy system that renewable energy and fossil energy blend, utilization of regenerative energy can be increased
Rate improves Demand-side energy utilization rate.But in the initial stage of design building integrated energy system design scheme, often exists and set
Count shortcoming, therefore, the present embodiment constructs an Energy Efficiency Analysis model, calculate assessment the optimal target efficiency of object with
And optimal target energy efficiency indexes parameter, the comprehensive energy scheme to be assessed of assessment object is optimized.
Specifically, for the purpose for realizing assessment optimization, it is necessary first to establish Energy Efficiency Analysis model.It can be according to assessment object
Item base data information, obtain project whole year by when Building Cooling electric load, annual Building Cooling is obtained according to hourly load
Amount demand, electricity needs does not include air conditioning electricity here.Annual Building Cooling electrical demand is as follows：
Wherein Dh、Dc、DeIt is year round cooling demand for energy, the annual heating demand for energy, the annual electricity respectively
Power demand；dc,i, dh,i, de,iIt is hot and cold, the electric load at i moment respectively, i is the moment, totally 8760 hours annual.
Secondly, according to the year round cooling demand for energy, the annual heating demand for energy, the annual electric power need
The efficiency parameter of multiple powering devices of the amount of asking, the annual energy-output ratio of the assessment object and the assessment object, builds
Vertical Energy Efficiency Analysis model；
Since each energy supply is different by the performance of equipment, standard efficiency parameter is also different, needs according to assessment pair
The multiple powering devices being related in the comprehensive energy of elephant scheme to be assessed, find out corresponding standard efficiency parameter, then by this
A little corresponding standard efficiency parameters of powering device are brought into Energy Efficiency Analysis model, calculate optimal target efficiency,
And target energy efficiency indexes parameter of the Energy Efficiency Analysis model under target efficiency, i.e. evaluation criteria in the present embodiment.It will assessment
The comprehensive energy of object scheme to be assessed is compared with target energy efficiency indexes parameter, can find the scheme to be assessed having
There are which shortage.And these shortcomings are optimized.
As shown in figure 3, the present invention also provides a kind of another embodiments of comprehensive energy evaluation optimal sysytem, including：
The acquisition module 1, be also used to obtain assessment object by when cooling load, by when heating load, by when electric power
Load；
The computing module 3 is electrically connected with the acquisition module 1, for according to it is described by when cooling load, it is described by when
Heating load, it is described by when electric load, calculate year round cooling demand for energy, the annual heating energy of the assessment object
Demand, annual power demand；
Processing module 5, the variety of energy sources for that can be got according to the assessment object, selects available multiple energy supplies to set
It is standby；
Model construction module 2 is electrically connected with the acquisition module 1, the processing module 5 respectively, for according to described complete
Freeze in year demand for energy, the annual heating demand for energy, the annual power demand, the whole year for assessing object
The efficiency parameter of multiple powering devices of energy-output ratio and the assessment object, establishes Energy Efficiency Analysis model；The energy supply
Equipment includes boiler, heat pump and cold, heat and electricity triple supply equipment, the Energy Efficiency Analysis model that the model construction module 2 constructs
Specially：
Wherein, FboilIt is the fuel quantity of the boiler, FCHPIt is the combustion that the cold, heat and electricity triple supply equipment is used for cogeneration of heat and power
Doses；
ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the heat production efficiency of the cold, heat and electricity triple supply equipment, ηCHP,eIt is
The efficiency of the cold, heat and electricity triple supply equipment electricity production；
Eh, Ec are the electricity needs that the heat pump is used to heat, freeze respectively；
COPh、COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；
Dh、Dc、DeIt is year round cooling demand for energy respectively, the whole year heats demand for energy, the annual electric power needs
The amount of asking；
A is the cooling load of the assessment object and the ratio of fixed electric load；B is that the heating of the assessment object is negative
The ratio of lotus and fixed electric load；The fixed electric load refers to the electric load for being not used in refrigeration and heating；
Index parameter x, for the capacity ratio of boiler and the cold, heat and electricity triple supply equipment described in the assessment object；Index
Parameter y is the ratio by the refrigeration total load of the refrigerating capacity and assessment object of the heat pump；Index parameter z, to pass through
The ratio of the heating total load of heat pump heating capacity and the assessment object.
Computing module 3 is electrically connected with the model construction module 2, according to the corresponding mark of the multiple powering device
Quasi- efficiency parameter calculates the target efficiency of the Energy Efficiency Analysis model, and the target energy efficiency indexes under the target efficiency
Parameter；
Optimization module 4 is also used to index parameter and the mesh in the comprehensive energy scheme to be assessed of the assessment object
Mark energy efficiency indexes parameter is compared, and finds out index parameter to be optimized, and according to the index parameter to be optimized and target
Energy efficiency indexes parameter carries out the index parameter to be optimized in the comprehensive energy scheme to be assessed of the assessment object excellent
Change.
It is needed in the year round cooling demand for energy, annual heating demand for energy, annual electric power that assessment object is calculated
After the amount of asking, available powering device can be selected according to the variety of energy sources that can currently get, the present embodiment with heat pump, boiler and
For cold, heat and electricity triple supply equipment is selected powering device, the Energy Efficiency Analysis model established with this.
The step of calculating the optimal target efficiency and target energy efficiency indexes parameter of Energy Efficiency Analysis model specifically such as
Under：
Firstly, since the corresponding energy efficiency indexes parameter of distinct device is different, such as shown in table 1, wind-cooling type heat pump and water
The efficiency parameter of cold type heat pump respectively is all different, and therefore, it is necessary to combine energy supply employed in comprehensive energy scheme to be assessed
The model parameter of equipment determines the standard efficiency parameter of multiple powering devices, and then, with x, y, z are independent variable, respectively will mark
The bound and scheme to be assessed of the energy valid value of heat pump, cold, heat and electricity triple supply equipment and boiler as defined in quasi- specification are selected corresponding
The energy valid value of equipment substitutes into Energy Efficiency Analysis model, and mathematical tool (such as local derviation calculates analysis, matlab) is recycled to acquire energy
Imitate analysis model function of many variables ηoThe maximum value (the target efficiency i.e. in the present embodiment) of=f (x, y, z), and work as to obtain ηoFor most
X is corresponded to when big value, the value (the target efficiency index parameter i.e. in the present embodiment under target efficiency) of y, z obtain ideal
Comprehensive energy efficiency value.
Using different performance equipment when, EERc,COPhAnd ηCHP,eValue is different.Different EER is selected respectivelyc,COPhWith
ηCHP,eValue, available different efficiency maximum value and different system schemas (x, y, z are different).
According to the target efficiency for the Energy Efficiency Analysis model being calculated, and the target energy under the target efficiency
Imitate index parameter, the range whether the energy valid value for the powering device that scheme more to be assessed first is selected gives in standard criterion
Interior, scheme evaluation to be assessed does not pass through if not in the range of standard criterion provides.If the equipment that scheme to be assessed is selected its
Can valid value in the range of standard criterion provides, then scheme to be assessed is calculated with corresponding according to Energy Efficiency Analysis formula
Parameter x, y, z is compared, and filters out the item wherein having differences, and obtains the link for having to be hoisted in scheme to be assessed, is proposed
It is correspondingly improved suggestion.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of comprehensive energy Evaluation and Optimization, which is characterized in that including step：
Obtain year round cooling demand for energy, the annual heating demand for energy, annual power demand of assessment object；
It is described according to the year round cooling demand for energy, the annual heating demand for energy, the annual power demand
The efficiency parameter for assessing the annual energy-output ratio of object and multiple powering devices of the assessment object, establishes Energy Efficiency Analysis
Model；
According to the corresponding standard efficiency parameter of the multiple powering device, the target energy of the Energy Efficiency Analysis model is calculated
Effect, and the target energy efficiency indexes parameter under the target efficiency；
According to the target efficiency and the target energy efficiency indexes parameter of the Energy Efficiency Analysis model, to the assessment pair
The comprehensive energy of elephant scheme to be assessed optimizes.
2. a kind of comprehensive energy Evaluation and Optimization according to claim 1, which is characterized in that obtain the complete of assessment object
Year refrigeration demand for energy, annual heating demand for energy, annual power demand, the step for specifically include：
Obtain assessment object by when cooling load, by when heating load, by when electric load；
According to it is described by when cooling load, it is described by when heating load, it is described by when electric load, calculate the assessment object
Year round cooling demand for energy, annual heating demand for energy, annual power demand.
3. a kind of comprehensive energy Evaluation and Optimization according to claim 1, which is characterized in that the powering device includes
Boiler, heat pump and cold, heat and electricity triple supply equipment, the Energy Efficiency Analysis model are specially：
Wherein, ηoFor the efficiency of the Energy Efficiency Analysis model；FboilIt is the fuel quantity of the boiler, FCHPIt is the cold, heat and electricity three-way
The fuel quantity of cogeneration of heat and power is used for for equipment；
ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the heat production efficiency of the cold, heat and electricity triple supply equipment, ηCHP,eIt is described
The efficiency of cold, heat and electricity triple supply equipment electricity production；
Eh, Ec are the electricity needs that the heat pump is used to heat, freeze respectively；
COPh、COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；
Dh、Dc、DeIt is year round cooling demand for energy, the annual heating demand for energy, the annual electricity needs respectively
Amount；
A is the cooling load of the assessment object and the ratio of fixed electric load；B be it is described assessment object heating load with
The ratio of fixed electric load；The fixed electric load refers to the electric load for being not used in refrigeration and heating；
Index parameter x, for the capacity ratio of boiler and the cold, heat and electricity triple supply equipment described in the assessment object；Index parameter
Y is the ratio by the refrigeration total load of the refrigerating capacity and assessment object of the heat pump；Index parameter z, to pass through heat pump
The ratio of the heating total load of heating capacity and the assessment object.
4. a kind of comprehensive energy Evaluation and Optimization according to claim 1, which is characterized in that further include step：
According to the variety of energy sources that the assessment object can be got, available multiple powering devices are selected.
5. a kind of comprehensive energy Evaluation and Optimization described in any one of -4 according to claim 1, which is characterized in that according to institute
The target efficiency and the target energy efficiency indexes parameter for stating Energy Efficiency Analysis model, to the synthesis energy of the assessment object
Source scheme to be assessed optimizes, the step for specifically include：
Index parameter in the comprehensive energy scheme to be assessed of the assessment object is compared with the target energy efficiency indexes parameter
It is right, index parameter to be optimized is found out, and according to the index parameter to be optimized and target energy efficiency indexes parameter, to institute's commentary
The index parameter to be optimized estimated in the comprehensive energy scheme to be assessed of object optimizes.
6. a kind of comprehensive energy evaluation optimal sysytem, which is characterized in that including：
Module is obtained, for obtaining year round cooling demand for energy, the annual heating demand for energy, annual electric power of assessment object
Demand；
Model construction module is electrically connected with the acquisition module, for according to the year round cooling demand for energy, the whole year
Heat demand for energy, the annual power demand, the annual energy-output ratio of the assessment object and the assessment pair
The efficiency parameter of multiple powering devices of elephant, establishes Energy Efficiency Analysis model；
Computing module is electrically connected with the model construction module, according to the corresponding standard efficiency of the multiple powering device
Parameter calculates the target efficiency of the Energy Efficiency Analysis model, and the target energy efficiency indexes parameter under the target efficiency；
Optimization module is electrically connected with the computing module, for the target efficiency according to the Energy Efficiency Analysis model, and
The target energy efficiency indexes parameter optimizes the comprehensive energy scheme to be assessed of the assessment object.
7. a kind of comprehensive energy evaluation optimal sysytem according to claim 6, it is characterised in that：
The acquisition module, be also used to obtain assessment object by when cooling load, by when heating load, by when electric load；
The computing module, be also used to according to it is described by when cooling load, it is described by when heating load, it is described by when power load
Lotus calculates year round cooling demand for energy, the annual heating demand for energy, annual power demand of the assessment object.
8. a kind of comprehensive energy evaluation optimal sysytem according to claim 6, which is characterized in that the powering device includes
Boiler, heat pump and cold, heat and electricity triple supply equipment, the Energy Efficiency Analysis model that the model construction module constructs are specially：
Wherein, FboilIt is the fuel quantity of the boiler, FCHPIt is the fuel quantity that the cold, heat and electricity triple supply equipment is used for cogeneration of heat and power；
ηboilFor the heat production efficiency of the boiler, ηCHP,hFor the heat production efficiency of the cold, heat and electricity triple supply equipment, ηCHP,eIt is described
The efficiency of cold, heat and electricity triple supply equipment electricity production；
Eh, Ec are the electricity needs that the heat pump is used to heat, freeze respectively；
COPh、COPc、EERcBe respectively electric power heating, heat-operated refrigeration, electric refrigeration technology efficiency；
Dh、Dc、DeIt is year round cooling demand for energy, the annual heating demand for energy, the annual electricity needs respectively
Amount；
A is the cooling load of the assessment object and the ratio of fixed electric load；B be it is described assessment object heating load with
The ratio of fixed electric load；The fixed electric load refers to the electric load for being not used in refrigeration and heating；
Index parameter x, for the capacity ratio of boiler and the cold, heat and electricity triple supply equipment described in the assessment object；Index parameter
Y is the ratio by the refrigeration total load of the refrigerating capacity and assessment object of the heat pump；Index parameter z, to pass through heat pump
The ratio of the heating total load of heating capacity and the assessment object.
9. a kind of comprehensive energy evaluation optimal sysytem according to claim 6, which is characterized in that further include：
Processing module, the variety of energy sources for that can be got according to the assessment object, selects available multiple powering devices.
10. a kind of comprehensive energy evaluation optimal sysytem according to any one of claim 6-9, it is characterised in that：
The optimization module is also used to index parameter and the target in the comprehensive energy scheme to be assessed of the assessment object
Energy efficiency indexes parameter is compared, and finds out index parameter to be optimized, and according to the index parameter to be optimized and target energy
Index parameter is imitated, the index parameter to be optimized in the comprehensive energy scheme to be assessed of the assessment object is carried out excellent
Change.
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