CN107907357A - Test the method and device of central heating system dynamic characteristic - Google Patents

Test the method and device of central heating system dynamic characteristic Download PDF

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Publication number
CN107907357A
CN107907357A CN201711058759.5A CN201711058759A CN107907357A CN 107907357 A CN107907357 A CN 107907357A CN 201711058759 A CN201711058759 A CN 201711058759A CN 107907357 A CN107907357 A CN 107907357A
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test
water temperature
temperature
value
return water
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CN201711058759.5A
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CN107907357B (en
Inventor
薛亚丽
孙勇
许兆峰
李宝聚
高琪瑞
曹政
任挺进
李振元
王哲
赵金峰
田雪沁
王新雷
徐彤
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Beijing Huajian Network Source Electric Power Design Institute Co Ltd
Tsinghua University
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Jilin Electric Power Corp
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Beijing Huajian Network Source Electric Power Design Institute Co Ltd
Tsinghua University
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Jilin Electric Power Corp
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Publication of CN107907357A publication Critical patent/CN107907357A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/002—Thermal testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention proposes a kind of method and device for testing central heating system dynamic characteristic, wherein, this method includes：Base operation condition experiment is carried out to central heating system, and obtains the first test result of base operation condition experiment；The return water temperature of weather parameters change and test thermal substation is determined according to the first test result and tests the first relation information of the indoor temperature of heat user；Operating condition experiment is carried out to central heating system, and obtains the second test result of operating condition experiment；The heating load change of test thermal power plant unit and the return water temperature of test thermal substation and the second relation information of the indoor temperature for testing heat user are determined according to the second test result；Weather parameters change is determined according to the first relation information and the second relation information and tests the 3rd relation information that the heating load change that thermal power plant unit supplies influences the indoor temperature of return water temperature and test heat user, thereby, it is possible to accurately obtain the actual dynamic characteristic of central heating system.

Description

Test the method and device of central heating system dynamic characteristic
Technical field
The present invention relates to central heating system technical field, more particularly to a kind of test central heating system dynamic characteristic Method and device.
Background technology
The wind resource of northern area is very abundant, but wind-abandoning phenomenon is also very serious at the same time, particularly in Heating Period, abandons Air quantity accounts for annual abandoning more than the 80% of air quantity.Its main cause is except transprovincially trans-regional conveying capacity deficiency and power demand Outside slowing down, power supply and heat source configurations of the northern area based on cogeneration units, also cause heat supply and for being electrically coupled, higher Heat demand limit the electric load peak modulation capacity of unit, can not surf the Internet for wind-powered electricity generation and sufficient receiving space be provided.
In recent years, using the Optimized Operation of heating system thermal inertia progress cogeneration units to improve wind electricity digestion, by Gradually become hot issue.Key technology therein is the quantitative description to the thermal inertia of central heating system.It is more typical at present Way is to carry out theoretical modeling.But due to building heat preservation property by building age, building enclosure, the difference such as direction very big, city The pipe network and construction scope of city's central heating system be huge, heat user type and thermal load demands are also different, structure is multiple It is miscellaneous, it is difficult to establish accurate mechanism model, therefore, the thermal inertia based on central heating system carries out thermal power plant unit Optimized Operation Research is difficult to apply in actual schedule system.
Spy that can be by harmonic wave response analysis method to heat in central heating system, in correlation technique Property tested, however, the above method test when only only account for the cyclically-varying of first-level pipeline network supply water temperature to backwater The influence of temperature and user indoor temperature, the influence to key factor, that is, weather parameters of thermal load demands, which lacks, to be considered.
However, the change of the user indoor temperature and return water temperature in urban district heating system is heat source and weather parameters It is coefficient as a result, from foregoing description, it can be seen that for the Research on Dynamic Characteristic of urban district heating system, there is reason By the method difficulty of modeling and analysis is big, precision can not ensure, and existing experimental method key factor is considered it is imperfect The problem of.
The content of the invention
It is contemplated that above-mentioned technical problem is solved at least to a certain extent.
For this reason, first purpose of the present invention is to propose that one kind overcomes theoretical modeling method heavy workload, modeling base The problem of plinth data acquisition is difficult, model accuracy can not be verified, can accurately obtain the actual dynamic characteristic of central heating system, The dynamic characteristic quantitative description that i.e. heat source and Changes in weather influence heating system.
Second object of the present invention is to propose a kind of device for testing central heating system dynamic characteristic.
Third object of the present invention is to propose a kind of device for testing central heating system dynamic characteristic.
Fourth object of the present invention is to propose a kind of computer-readable recording medium.
The 5th purpose of the present invention is to propose a kind of computer program product.
In order to achieve the above object, embodiment proposes a kind of test central heating system dynamic spy according to a first aspect of the present invention The method of property, including：Determine test thermal power plant unit, test thermal substation, test heat user and the survey in the central heating system Try heating network；The operating mode of the central heating system is adjusted, so that the central heating system meets test experiments condition； Base operation condition experiment is carried out to the central heating system, and obtains the first test result of base operation condition experiment；According to described First test result, determines weather parameters change and tests the return water temperature of thermal substation and test the indoor temperature of heat user First relation information；Operating condition experiment is carried out to the central heating system, and obtains the second test of operating condition experiment As a result；According to second test result, return water temperature of the heating load change of test thermal power plant unit with testing thermal substation is determined And the second relation information of the indoor temperature of test heat user；Believed according to first relation information and second relation Cease, determine weather parameters change and test return water temperature and survey of the heating load change of thermal power plant unit confession to test thermal substation Try the 3rd relation information that the indoor temperature of heat user influences.
The method of the test central heating system dynamic characteristic of the embodiment of the present invention, determines the test in central heating system Thermal power plant unit, test thermal substation, test heat user and test heating network；The operating mode of central heating system is adjusted, so that collection Middle heating system meets test experiments condition；Base operation condition experiment is carried out to central heating system, and obtains base operation condition experiment The first test result；According to the first test result, return water temperature and the survey of weather parameters change and test thermal substation are determined Try the first relation information of the indoor temperature of heat user；Operating condition experiment is carried out to central heating system, and obtains operation work Second test result of condition experiment；According to the second test result, determine the heating load change of test thermal power plant unit with testing heating power The return water temperature and the second relation information of the indoor temperature of test heat user stood；According to the first relation information and the second relation Information, determine weather parameters change and test thermal power plant unit supply heating load change to test thermal substation return water temperature and The 3rd relation information that the indoor temperature of heat user influences is tested, thus, overcomes theoretical modeling method heavy workload, modeling base The problem of plinth data acquisition is difficult, model accuracy can not be verified, can accurately obtain the actual dynamic characteristic of central heating system, The dynamic characteristic quantitative description that i.e. heat source and Changes in weather influence heating system.Wherein, acquired experimental result can conduct The foundation of theoretical modeling verification, and the dynamic characteristic obtained can be used for the Optimized Operation of heat supply load so as to reduce confession Thermal energy consumption, can also be as the foundation of the thermo-electrically load joint optimal operation based on thermoelectricity unit.Meanwhile experimentation not shadow Heating quality is rung, has the advantages that easy to implement and disturbs small.
Second aspect of the present invention embodiment proposes a kind of device for testing central heating system dynamic characteristic, including：The One determining module, for determining the test thermal power plant unit in the central heating system, test thermal substation, test heat user and survey Try heating network；Module is adjusted, for adjusting the operating mode of the central heating system, so that the central heating system meets Test experiments condition；Base operation condition test module, for carrying out base operation condition experiment to the central heating system, and obtains base First test result of quasi- working condition experimenting；Second determining module, for according to first test result, determining that weather parameters becomes Change the first relation information with the return water temperature of test thermal substation and the indoor temperature for testing heat user；Operating condition tests mould Block, for carrying out operating condition experiment to the central heating system, and obtains the second test result of operating condition experiment；The Three determining modules, for according to second test result, determining the heating load change of test thermal power plant unit with testing thermal substation Return water temperature and test heat user indoor temperature the second relation information；4th determining module, for according to described One relation information and second relation information, determine weather parameters change and the heating load change pair that test thermal power plant unit supplies The 3rd relation information that the return water temperature for testing thermal substation and the indoor temperature for testing heat user influence.
The device of the test central heating system dynamic characteristic of the embodiment of the present invention, determines the test in central heating system Thermal power plant unit, test thermal substation, test heat user and test heating network；The operating mode of central heating system is adjusted, so that collection Middle heating system meets test experiments condition；Base operation condition experiment is carried out to central heating system, and obtains base operation condition experiment The first test result；According to the first test result, return water temperature and the survey of weather parameters change and test thermal substation are determined Try the first relation information of the indoor temperature of heat user；Operating condition experiment is carried out to central heating system, and obtains operation work Second test result of condition experiment；According to the second test result, determine the heating load change of test thermal power plant unit with testing heating power The return water temperature and the second relation information of the indoor temperature of test heat user stood；According to the first relation information and the second relation Information, determine weather parameters change and test thermal power plant unit supply heating load change to test thermal substation return water temperature and The 3rd relation information that the indoor temperature of heat user influences is tested, thus, overcomes theoretical modeling method heavy workload, modeling base The problem of plinth data acquisition is difficult, model accuracy can not be verified, can accurately obtain the actual dynamic characteristic of central heating system, The dynamic characteristic quantitative description that i.e. heat source and Changes in weather influence heating system.Wherein, acquired experimental result can conduct The foundation of theoretical modeling verification, and the dynamic characteristic obtained can be used for the Optimized Operation of heat supply load so as to reduce confession Thermal energy consumption, can also be as the foundation of the thermo-electrically load joint optimal operation based on thermoelectricity unit.Meanwhile experimentation not shadow Heating quality is rung, has the advantages that easy to implement and disturbs small.
Third aspect present invention embodiment proposes a kind of device for testing central heating system dynamic characteristic, including：Place Manage device；For storing the memory of processor-executable instruction；Wherein, the processor is configured as performing first party of the present invention The method of the test central heating system dynamic characteristic of face embodiment.
Fourth aspect present invention embodiment proposes a kind of computer-readable recording medium, is stored thereon with computer journey Sequence, realizes the test central heating system dynamic characteristic such as first aspect present invention embodiment when described program is executed by processor Method.
Fifth aspect present invention embodiment proposes a kind of computer program product, when in the computer program product When instruction processing unit performs, the method for testing central heating system dynamic characteristic of first aspect present invention embodiment is performed.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the method for the test central heating system dynamic characteristic of one embodiment of the invention；
Fig. 2 is the exemplary plot of central heating system；
Fig. 3 is return water temperature and the test that weather parameters change and test thermal substation are determined according to the first test result The refined flow chart of first relation information of the indoor temperature of heat user；
Fig. 4 is heating load change and the backwater of test thermal substation that test thermal power plant unit is determined according to the second test result The refined flow chart of second relation information of temperature and the indoor temperature of test heat user；
Fig. 5 is the structural representation according to the device of the test central heating system dynamic characteristic of one embodiment of the invention Figure.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " multiple " refers to two or more；Term " first ", " second " is only used for description purpose, and it is not intended that instruction or hint relative importance.
Below with reference to the accompanying drawings the method and dress of description test central heating system dynamic characteristic according to embodiments of the present invention Put.
Fig. 1 is the flow chart according to the method for the test central heating system dynamic characteristic of one embodiment of the invention.
As shown in Figure 1, the method for test central heating system dynamic characteristic according to embodiments of the present invention includes following step Suddenly.
S11, determines test thermal power plant unit, test thermal substation, test heat user and test heat supply in central heating system Pipe network.
As a kind of exemplary embodiment, for central heating system, can be chosen from multiple thermal power plant units several Thermal power plant unit is used as test thermal power plant unit, and respectively away from the near of heat source (testing thermal power plant unit) in central heating system Test thermal substation is chosen in end, middle-end, distal end.
Wherein, the exemplary plot of central heating system, as shown in Figure 2.
In addition, for each test thermal substation in thermal region, being selected in the near-end away from test thermal substation, middle-end, distal end Test architecture is taken, 3 test rooms of low layer, middle level and high level are chosen for each test architecture, as test heat user.
Test thermal power plant unit, test thermal substation, test heat user and test heat supply in central heating system is determined After pipe network, point layout can be carried out in test thermal power plant unit, test thermal substation, test heat user and test heating network respectively, That is, test equipment is set in test thermal power plant unit, test thermal substation, test heat user and test heating network respectively, with convenient The test data of each test point can be subsequently obtained by test equipment.
, wherein it is desired to explanation, in test thermal power plant unit, test thermal substation, test heat user and test heating network Acquired test data is different.
Wherein, test data can include but is not limited to temperature, pressure, flow, and outdoor temperature, shortwave radiation and length The data such as wave radiation.
S12, adjusts the operating mode of central heating system, so that central heating system meets test experiments condition.
Specifically, the test thermal power plant unit in central heating system is determined, test thermal substation, test heat user and test After heating network, it can determine whether the operating mode of central heating system meets test experiments condition, if judging central heating system Operating mode be unsatisfactory for test experiments condition, then adjust central heating system operating mode so that central heating system meet test Experiment condition.
Wherein, test experiments condition can include but is not limited to：(1) to test thermal power plant unit, test pipe network and test heat User and ancillary equipment carry out fault detect, with ensure to test during testing thermal power plant unit, test pipe network and test heat user and Ancillary equipment；(2) judge whether the pressure of supply water of a pipe network and secondary pipe network is enough, to ensure to ensure water during testing Power operating mode is normal；(3) judge test thermal power plant unit heat-supplying mode whether be using preset mode (such as matter regulative mode), and When testing the heat-supplying mode of thermal power plant unit for using preset mode, the heat-supplying mode for testing thermal power plant unit is adjusted to default Pattern；(4) determine that pipe network expands with heat and contract with cold ability to bear, it is ensured that temperature rise, temperature drop rate are no more than 8 DEG C/h.
Wherein, preset mode is the heat-supplying mode of pre-set test thermal power plant unit in system.For example, preset mode can To change the matter regulative mode of flow including matter regulative mode and stage by stage.
, wherein it is desired to explanation, in order to ensure the accuracy of test result, it should be ensured that more when having (1) during experiment During a heat source, in addition to tested thermal power plant unit, other heat sources during the experiment, keep heating load constant；(2) experiment periods Between, the internetwork connection mode of pipe network of heat supply remains unchanged, and valve is without adjustment；Heat supply secondary pipe network and thermal substation are protected Continuous operation is held, valve and circulating pump do not adjust；(3) during the experiment, typical heat user does not start auxiliary thermal source or windowing dissipates Heat.
S13, base operation condition experiment is carried out to central heating system, and obtains the first test result of base operation condition experiment.
, can be first according to base after central heating system meets test experiments condition as a kind of exemplary embodiment Outdoor temperature prediction during quasi- working condition experimenting, determines that base operation condition during the experiment ensures that the heat source of the whole network heating quality averagely supplies Water flow Gs0,1With supply water temperature Ts0,1, and benchmark water supply flow and benchmark supply water temperature are set to, and then, adjustment test heat supply machine The steam extraction parameter of group so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature, and control and tested in base operation condition Period, maintains benchmark water supply flow and benchmark supply water temperature constant, finally, the first test result of record base operation condition experiment.
Wherein, in order to which the later stage can accurately determine the return water temperature and test heat of weather parameters change and test thermal substation First relation information of the indoor temperature of user, can obtain many experiments test data of base operation condition experiment.
As a kind of exemplary embodiment, the experiment periods that base operation condition is tested can be pre-set, and at interval of default Time gathers once the test data of each test point.
Wherein, preset time is the pre-set time in system.
For example, the experiment periods for pre-setting base operation condition experiment are 7 days, can be at interval of collection once each test in 10 minutes The test number of point.
S14, according to the first test result, determines that the return water temperature of weather parameters change and test thermal substation and test are hot First relation information of the indoor temperature of user.
In one embodiment of the invention, Model Distinguish algorithm and the first test result that can be based on time domain data, really Determine the first transmission letter that weather parameters change influences the return water temperature for testing thermal substation and the indoor temperature for testing heat user Number information.
As a kind of exemplary embodiment, the first test result can include but is not limited to taking for the first weather parameters The value of value, the value of the first pipeline parameter and the first customer parameter.
Wherein, the first weather parameters includes outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1, First pipeline parameter includes the return water temperature T of test heating networkr1, i-th test thermal substation primary side return water temperature Tpr1,i With secondary side return water temperature Tsr1,i, the Indoor Temperature of j-th test heat user of first customer parameter including i-th of test thermal substation Spend Tuser1,ij。
, wherein it is desired to explanation, i is the positive integer more than or equal to 1, and less than or equal to N, and N is test heat The sum at power station, j are the positive integer more than or equal to 1, and less than or equal to M, and M is tested in thermal substation for i-th and tested The sum of heat user
As a kind of exemplary embodiment, according to the first test result, weather parameters change and test heating power are determined The return water temperature and the detailed process of the first relation information of the indoor temperature of test heat user stood, as shown in figure 3, can wrap Include：
S141, according to outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1Value determine outdoor Integrated temperature u11Value.
Wherein, outdoor combined air temperature u11With outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1It Between functional relation be to determine.
Wherein, outdoor combined air temperature u11With outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1It Between relation be：u11(t)=f (Tatm1(t),Ilwr1(t),Iswr1(t))。
Wherein, f () is the function of the outdoor combined air temperature calculated according to meteorologic parameter.
S142, according to outdoor combined air temperature u11J-th of thermal substation test heat user of value and i-th of test interior Temperature Tuser1,ijValue, determine outdoor combined air temperature u11To the interior of j-th of test heat user of i-th of test thermal substation Temperature Tuser1,ijThe transmission function of influence.
As a kind of exemplary embodiment, it is assumed that outdoor combined air temperature u11To indoor temperature Tuser1,ijThe letter of influence Number relations be：
y11,ij=G11,ij(s)u11, wherein, y11,ijRepresent TUser1, ij,G11,ij(s) outdoor combined air temperature u is represented11To i-th The indoor temperature T of j-th of test heat user of a test thermal substationuser1,ijThe transmission function of influence.
, can be according to outdoor combined air temperature u after base operation condition experiment is carried out11Value and i-th test thermal substation jth The indoor temperature T of a test heat useruser1,ijValue, calculate transmission function G11,ij(s)。
S143, according to outdoor combined air temperature u11Value and test heating network return water temperature Tr1Value, determine room Outer integrated temperature u11Return water temperature T to testing heating networkr1The transmission function of influence.
As a kind of exemplary embodiment, it is assumed that outdoor combined air temperature u11Return water temperature to testing heating network Tr1The function of influence is：
y21=G21(s)u11, wherein, y21Represent Tr1, G21(s) outdoor combined air temperature u11Backwater temperature to testing heating network Spend Tr1Transmission function.
, can be according to outdoor combined air temperature u after base operation condition experiment is carried out11Value and test heating network backwater temperature Spend Tr1Value, calculate transmission function G21(s)。
S144, according to outdoor combined air temperature u11Value and i-th test thermal substation primary side return water temperature Tpr1,i's Value, determines outdoor combined air temperature u11To the primary side return water temperature T of i-th of test thermal substationpr1,iThe transmission function of influence.
As a kind of exemplary embodiment, it is assumed that outdoor combined air temperature u11To the primary side of i-th of test thermal substation Return water temperature Tpr1,iThe functional relation of influence is：
y31,i=G31.i(s)u11, wherein, y31,iRepresent Tpr1,i, G31.i(s) outdoor combined air temperature u11To i-th of test heat The primary side return water temperature T at power stationpr1,iThe transmission function of influence.
, can be according to outdoor combined air temperature u after base operation condition experiment is carried out11Value and i-th test thermal substation one Secondary side return water temperature Tpr1,iValue, calculate transmission function G31.i(s)。
S145, according to outdoor combined air temperature u11Value and i-th test thermal substation secondary side return water temperature Tsr1,i's Value, determines outdoor combined air temperature u11To the secondary side return water temperature T of i-th of test thermal substationsr1,iThe transmission function of influence.
As a kind of exemplary embodiment, it is assumed that outdoor combined air temperature u11With the secondary side of i-th of test thermal substation Return water temperature Tsr1,iBetween functional relation be：
y41,i=G41.i(s)u11, wherein, y41,iRepresent Tsr1,i, G41.i(s) outdoor combined air temperature u is represented11I-th is surveyed Try the secondary side return water temperature T of thermal substationsr1,iThe transmission function of influence.
, can be according to outdoor combined air temperature u after base operation condition experiment is carried out11Value and i-th test thermal substation two Secondary side return water temperature Tsr1,iExploitation go out transmission function G41.i(s)。
S15, operating condition experiment is carried out to central heating system, and obtains the second test result of operating condition experiment.
After base operation condition end of run, operating condition experiment can be carried out.
Specifically, it can first be predicted according to the outdoor temperature of operating condition during the experiment, determine operating condition during the experiment Ensure that the heat source of the whole network heating quality is averaged water supply flow Gs0,2With supply water temperature Ts0,2, and it is set to benchmark water supply flow and benchmark Supply water temperature.
Then, the steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supplies Coolant-temperature gage.
Afterwards, according to the peak valley rule of power demand, determine that test thermal power plant unit increases load period TP1With the load shedding period TP2。
Then, according to the thermoelectricity ability of test thermal power plant unit, determine that the supply water temperature of corresponding period test thermal power plant unit increases Add amplitude δTsupWith reduction amplitude δTsdn。
Afterwards, load period TP is being increased1, the steam extraction parameter of adjustment test thermal power plant unit so that test the confession of thermal power plant unit Coolant-temperature gage increase is Ts0,2+δTsupAnd keep；And in load shedding period TP2, the steam extraction parameter of adjustment test thermal power plant unit so that The supply water temperature of test thermal power plant unit is reduced to Ts0,2-δTsdnAnd keep；And other periods in experiment, control test heat supply The supply water temperature of unit remains Ts0,2。
S16, according to the second test result, determines backwater temperature of the heating load change of test thermal power plant unit with testing thermal substation Second relation information of the indoor temperature of degree and test heat user.
As a kind of exemplary embodiment, Model Distinguish algorithm and the second test result based on time domain data, really The heating load change of location survey examination thermal power plant unit influences the return water temperature for testing thermal substation and the indoor temperature for testing heat user The second transmission function information.
In one embodiment of the invention, the second test result includes the value of the second weather parameters, the second pipe network ginseng Several values and the value of second user parameter.
Wherein, the second weather parameters includes outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave radiation Iswr2, Second pipeline parameter includes the supply water temperature T of test heating networks2, test heating network return water temperature Tr2, i-th test The primary side return water temperature T of thermal substationpr2,iWith secondary side return water temperature Tsr2,i, second user parameter include i-th test heating power The indoor temperature T for i-th of the test heat user stooduser2,ij。
Wherein, i is the positive integer more than or equal to 1, and less than or equal to N, and N is the sum of test thermal substation, and j is More than or equal to 1, and the positive integer less than or equal to M, M are the sum that heat user is tested in i-th of test thermal substation.
As a kind of exemplary embodiment, according to the second test result, the heat supply quantitative change of test thermal power plant unit is determined Change the detailed process of the second relation information with the return water temperature of test thermal substation and the indoor temperature for testing heat user, such as scheme Shown in 4, it can include：
S161, according to outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave radiation Iswr2Value determine outdoor Integrated temperature u21Value.
Wherein, outdoor combined air temperature u21With outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1It Between functional relation be to determine.
Wherein, outdoor combined air temperature u21With outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1It Between relation be：u21(t)=f (Tatm1(t),Ilwr1(t),Iswr1(t))。
Wherein, f () is the function of the outdoor combined air temperature calculated according to meteorologic parameter.
S162, according to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With i-th of test heat The indoor temperature T of j-th of test heat user at power stationuser2,ijValue, determine test heating network supply water temperature Ts2To The indoor temperature T of j-th of test heat user of i test thermal substationuser2,ijThe transmission function of influence.
As a kind of exemplary embodiment, it is assumed that test the supply water temperature T of heating networks2To i-th of test heating power The indoor temperature T for j-th of the test heat user stooduser2,ijThe functional relation of influence is：
y12,ij=G11,ij(s)u21+G12,ij(s)u22, wherein, y12,ijRepresent j-th of test heat of i-th of test thermal substation The indoor temperature T of useruser2,ij, u22Represent the supply water temperature T of test heating networks2。
, can be according to outdoor combined air temperature u after operating condition experiment is carried out21Value, test heating network confession water temperature Spend Ts2With the indoor temperature T of j-th of test heat user of i-th of test thermal substationuser2,ijValue determine that above-mentioned function closes Transmission function G in system12,ij(s) expression formula.
, wherein it is desired to illustrate, the G in above-mentioned relation11,ij(s) can be according to the experimental result institute that base operation condition is tested really Fix.
S163, according to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With test heating network Return water temperature Tr2Value, determine test heating network supply water temperature Ts2Return water temperature T to testing heating networkr2Shadow Loud transmission function.
As a kind of exemplary embodiment, it is assumed that test the supply water temperature T of heating networks2To test heating network Return water temperature Tr2The functional relation of influence is：
y22=G21(s)u21+G22(s)u22, wherein, y22Represent the return water temperature T of test heating networkr2, u22Represent test The supply water temperature T of heating networks2。
After operating condition experiment is carried out, according to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With the return water temperature T of test heating networkr2Value, calculate the G in above-mentioned relation22(s)。
S164, according to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With i-th of test heat The primary side return water temperature T at power stationpr2,iValue, determine test heating network supply water temperature Ts2To i-th of test thermal substation Primary side return water temperature Tpr2,iThe transmission function of influence.
Assuming that the supply water temperature T of test heating networks2To the primary side return water temperature T of i-th of test thermal substationpr2,iShadow Loud functional relation is：
y32,i=G31.i(s)u21+G32.i(s)u22, wherein, y32,iRepresent the primary side return water temperature of i-th of test thermal substation Tpr2,i, u22Represent the supply water temperature T of test heating networks2。
, can be according to outdoor combined air temperature u after operating condition experiment is carried out21Value, test heating network confession water temperature Spend Ts2With the primary side return water temperature T of i-th of test thermal substationpr2,iValue, calculate G32.i(s)。
S165, according to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With i-th of test heat The secondary side return water temperature T at power stationsr2,iValue, determine test heating network supply water temperature Ts2To i-th of test thermal substation Secondary side return water temperature Tsr2,iThe transmission function of influence.
Assuming that the supply water temperature T of test heating networks2To the secondary side return water temperature T of i-th of test thermal substationsr2,iShadow Loud functional relation is：
y42,i=G41.i(s)u21+G42.i(s)u22, wherein, y42,iRepresent the secondary side return water temperature of i-th of test thermal substation Tsr2,i, u22Represent the supply water temperature T of test heating networks2。
, can be according to outdoor combined air temperature u after operating condition experiment is carried out21Value, test heating network confession water temperature Spend Ts2With the secondary side return water temperature T of i-th of test thermal substationsr2,iValue, calculate G42.i(s)。
S17, according to the first relation information and the second relation information, determines that weather parameters change and test thermal power plant unit supply Heating load change on test thermal substation return water temperature and test heat user indoor temperature influence the 3rd relation information.
As a kind of exemplary embodiment, after above-mentioned first relation information and the second relation information is obtained, can obtain The transmission function of central heating system dynamic characteristic must be described, form is as follows：
The method of the test central heating system dynamic characteristic of the embodiment of the present invention, determines the test in central heating system Thermal power plant unit, test thermal substation, test heat user and test heating network；The operating mode of central heating system is adjusted, so that collection Middle heating system meets test experiments condition；Base operation condition experiment is carried out to central heating system, and obtains base operation condition experiment The first test result；According to the first test result, return water temperature and the survey of weather parameters change and test thermal substation are determined Try the first relation information of the indoor temperature of heat user；Operating condition experiment is carried out to central heating system, and obtains operation work Second test result of condition experiment；According to the second test result, determine the heating load change of test thermal power plant unit with testing heating power The return water temperature and the second relation information of the indoor temperature of test heat user stood；According to the first relation information and the second relation Information, determine weather parameters change and test thermal power plant unit supply heating load change to test thermal substation return water temperature and The 3rd relation information that the indoor temperature of heat user influences is tested, thus, overcomes theoretical modeling method heavy workload, modeling base The problem of plinth data acquisition is difficult, model accuracy can not be verified, can accurately obtain the actual dynamic characteristic of central heating system, The dynamic characteristic quantitative description that i.e. heat source and Changes in weather influence heating system.Wherein, acquired experimental result can conduct The foundation of theoretical modeling verification, and the dynamic characteristic obtained can be used for the Optimized Operation of heat supply load so as to reduce confession Thermal energy consumption, can also be as the foundation of the thermo-electrically load joint optimal operation based on thermoelectricity unit.Meanwhile experimentation not shadow Heating quality is rung, has the advantages that easy to implement and disturbs small.
In order to realize above-described embodiment, the present invention also proposes a kind of device for testing central heating system dynamic characteristic.
Fig. 5 is the structural representation according to the device of the test central heating system dynamic characteristic of one embodiment of the invention Figure.
As shown in figure 5, the device of test central heating system dynamic characteristic according to embodiments of the present invention is true including first Cover half block 110, adjustment module 120, base operation condition test module 130, the second determining module 140, operating condition test module 150th, the 3rd determining module 160 and the 4th determining module 170, wherein：
First determining module 110 is for determining the test thermal power plant unit in central heating system, test thermal substation, test heat User and test heating network.
Adjustment module 120 is used for the operating mode for adjusting central heating system, so that central heating system meets test experiments Condition.
Base operation condition test module 130 is used to carry out base operation condition experiment to central heating system, and obtains base operation condition First test result of experiment.
Second determining module 140 is used for according to the first test result, determines weather parameters change and time of test thermal substation First relation information of the indoor temperature of coolant-temperature gage and test heat user.
Operating condition test module 150 is used to carry out operating condition experiment to central heating system, and obtains operating condition Second test result of experiment.
3rd determining module 160 is used for according to the second test result, determines the heating load change of test thermal power plant unit and surveys Second relation information of the return water temperature for trying thermal substation and the indoor temperature for testing heat user.
4th determining module 170 is used for according to the first relation information and the second relation information, determine weather parameters change with And the heating load change that test thermal power plant unit supplies is to testing the return water temperature of thermal substation and testing the indoor temperature shadow of heat user The 3rd loud relation information.
In one embodiment of the invention, the second determining module 140 is specifically used for：Model Distinguish based on time domain data Algorithm and the first test result, determine weather parameters change to testing the return water temperature of thermal substation and testing the interior of heat user The first transmission function information that temperature influences.
In one embodiment of the invention, the 3rd determining module 160 is specifically used for：Model Distinguish based on time domain data Algorithm and the second test result, determine return water temperature and test of the heating load change of test thermal power plant unit to test thermal substation The second transmission function information that the indoor temperature of heat user influences.
In one embodiment of the invention, the first test result includes the value of the first weather parameters, the first pipe network ginseng Several values and the value of the first customer parameter, wherein, the first weather parameters includes outside air temperature Tatm1, the long amplitude of the sun Penetrate Ilwr1With shortwave radiation Iswr1, return water temperature T of first pipeline parameter including testing heating networkr1, i-th test thermal substation Primary side return water temperature Tpr1,iWith secondary side return water temperature Tsr1,i, the first customer parameter includes the of i-th of test thermal substation The indoor temperature T of j test heat useruser1,ij。
Wherein, the second determining module 140 is specifically used for：According to outside air temperature Tatm1, sun long-wave radiation Ilwr1With it is short Wave radiation Iswr1Value determine outdoor combined air temperature u11Value；According to outdoor combined air temperature u11Value and i-th test The indoor temperature T of j-th of test heat user of thermal substationuser1,ijValue, determine outdoor combined air temperature u11I-th is tested The indoor temperature T of j-th of test heat user of thermal substationuser1,ijThe transmission function of influence；According to outdoor combined air temperature u11Take The return water temperature T of value and test heating networkr1Value, determine outdoor combined air temperature u11Backwater temperature to testing heating network Spend Tr1The transmission function of influence；According to outdoor combined air temperature u11Value and i-th test thermal substation primary side return water temperature Tpr1,iValue, determine outdoor combined air temperature u11To the primary side return water temperature T of i-th of test thermal substationpr1,iThe transmission of influence Function；According to outdoor combined air temperature u11Value and i-th test thermal substation secondary side return water temperature Tsr1,iValue, really Determine outdoor combined air temperature u11To the secondary side return water temperature T of i-th of test thermal substationsr1,iThe transmission function of influence.
Wherein, the second test result includes value, the value and second user of the second pipeline parameter of the second weather parameters The value of parameter, wherein, the second weather parameters includes outside air temperature Tatm2, sun long-wave radiation Ilwr2And shortwave radiation Iswr2, supply water temperature T of second pipeline parameter including testing heating networks2, test heating network return water temperature Tr2, i-th Test the primary side return water temperature T of thermal substationpr2,iWith secondary side return water temperature Tsr2,i, second user parameter include i-th test The indoor temperature T of i-th of test heat user of thermal substationuser2,ij, wherein, i is more than or equal to 1, and is less than or equal to N Positive integer, N be test thermal substation sum, j be more than or equal to 1, and less than or equal to M positive integer, M i-th The sum of heat user is tested in a test thermal substation,
3rd determining module 160 is specifically used for：According to outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave spoke Penetrate Iswr2Value determine outdoor combined air temperature u21Value；According to outdoor combined air temperature u21Value, test heating network Supply water temperature Ts2With the indoor temperature T of j-th of test heat user of i-th of test thermal substationuser2,ijValue, determine test The supply water temperature T of heating networks2To the indoor temperature T of j-th of test heat user of i-th of test thermal substationuser2,ijInfluence Transmission function；According to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With returning for test heating network Coolant-temperature gage Tr2Value, determine test heating network supply water temperature Ts2Return water temperature T to testing heating networkr2Influence Transmission function；According to outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With i-th of test thermal substation Primary side return water temperature Tpr2,iValue, determine test heating network supply water temperature Ts2To the one of i-th of test thermal substation Secondary side return water temperature Tpr2,iThe transmission function of influence；According to outdoor combined air temperature u21Value, test heating network confession water temperature Spend Ts2With the secondary side return water temperature T of i-th of test thermal substationsr2,iValue, determine test heating network supply water temperature Ts2 To the secondary side return water temperature T of i-th of test thermal substationsr2,iThe transmission function of influence.
In one embodiment of the invention, base operation condition test module 130 is specifically used for：According to base operation condition experiment periods Between outdoor temperature prediction, determine that base operation condition during the experiment ensures that the heat source of the whole network heating quality is averaged water supply flow Gs0,1With Supply water temperature Ts0,1, and it is set to benchmark water supply flow and benchmark supply water temperature；The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature, and control in base operation condition during the experiment, maintain benchmark to supply water Flow and benchmark supply water temperature are constant.
In one embodiment of the invention, operating condition test module 150 is specifically used for：According to operating condition experiment periods Between outdoor temperature prediction, determine that operating condition during the experiment ensures that the heat source of the whole network heating quality is averaged water supply flow Gs0,2With Supply water temperature Ts0,2, and it is set to benchmark water supply flow and benchmark supply water temperature；The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature；According to the peak valley rule of power demand, test heat supply machine is determined Group increases load period TP1With load shedding period TP2；According to the thermoelectricity ability of test thermal power plant unit, corresponding period test heat supply is determined The supply water temperature increasing degree δ of unitTsupWith reduction amplitude δTsdn；Increasing load period TP1, the pumping of adjustment test thermal power plant unit Vapour parameter so that the supply water temperature increase for testing thermal power plant unit is Ts0,2+δTsupAnd keep；In load shedding period TP2, adjustment survey Try the steam extraction parameter of thermal power plant unit so that the supply water temperature for testing thermal power plant unit is reduced to Ts0,2-δTsdnAnd keep；In experiment Other periods, the supply water temperature of control test thermal power plant unit remain Ts0,2。
, wherein it is desired to explanation, the explanation of the method implementation of foregoing test central heating system dynamic characteristic Suitable for the device of the test central heating system dynamic characteristic of the embodiment, its realization principle is similar, and details are not described herein again.
The device of the test central heating system dynamic characteristic of the embodiment of the present invention, determines the test in central heating system Thermal power plant unit, test thermal substation, test heat user and test heating network；The operating mode of central heating system is adjusted, so that collection Middle heating system meets test experiments condition；Base operation condition experiment is carried out to central heating system, and obtains base operation condition experiment The first test result；According to the first test result, return water temperature and the survey of weather parameters change and test thermal substation are determined Try the first relation information of the indoor temperature of heat user；Operating condition experiment is carried out to central heating system, and obtains operation work Second test result of condition experiment；According to the second test result, determine the heating load change of test thermal power plant unit with testing heating power The return water temperature and the second relation information of the indoor temperature of test heat user stood；According to the first relation information and the second relation Information, determine weather parameters change and test thermal power plant unit supply heating load change to test thermal substation return water temperature and The 3rd relation information that the indoor temperature of heat user influences is tested, thus, overcomes theoretical modeling method heavy workload, modeling base The problem of plinth data acquisition is difficult, model accuracy can not be verified, can accurately obtain the actual dynamic characteristic of central heating system, The dynamic characteristic quantitative description that i.e. heat source and Changes in weather influence heating system.Wherein, acquired experimental result can conduct The foundation of theoretical modeling verification, and the dynamic characteristic obtained can be used for the Optimized Operation of heat supply load so as to reduce confession Thermal energy consumption, can also be as the foundation of the thermo-electrically load joint optimal operation based on thermoelectricity unit.Meanwhile experimentation not shadow Heating quality is rung, has the advantages that easy to implement and disturbs small.
, should the invention also provides a kind of device for testing central heating system dynamic characteristic to realize above-described embodiment The device of test central heating system dynamic characteristic includes：Processor；For storing the memory of processor-executable instruction；Its In, processor is configured as performing the method for testing central heating system dynamic characteristic of above-described embodiment.
To realize above-described embodiment, the invention also provides a kind of computer-readable recording medium, is stored thereon with calculating Machine program, the method that the test central heating system dynamic characteristic of above-described embodiment is realized when program is executed by processor.
To realize above-described embodiment, the invention also provides a kind of computer program product, when in computer program product Instruction processing unit perform when, perform above-described embodiment test central heating system dynamic characteristic method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature Close and combine.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that two or more, unless separately There is clearly specific limit.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include Module, fragment or the portion of the code of the executable instruction of one or more the step of being used for realization specific logical function or process Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, including according to involved function by it is basic at the same time in the way of or in the opposite order, carry out perform function, this should be of the invention Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring Connecting portion (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or if necessary with it His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal Discrete logic, have suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention System, those of ordinary skill in the art can be changed above-described embodiment, change, replace and become within the scope of the invention Type.

Claims (10)

  1. A kind of 1. method for testing central heating system dynamic characteristic, it is characterised in that comprise the following steps：
    Determine test thermal power plant unit, test thermal substation, test heat user and the test heating network in the central heating system；
    The operating mode of the central heating system is adjusted, so that the central heating system meets test experiments condition；
    Base operation condition experiment is carried out to the central heating system, and obtains the first test result of base operation condition experiment；
    According to first test result, determine the return water temperature of weather parameters change and test thermal substation and test heat user Indoor temperature the first relation information；
    Operating condition experiment is carried out to the central heating system, and obtains the second test result of operating condition experiment；
    According to second test result, determine the heating load change of test thermal power plant unit and the return water temperature of test thermal substation with And the second relation information of the indoor temperature of test heat user；
    According to first relation information and second relation information, determine that weather parameters change and test thermal power plant unit supply Heating load change on test thermal substation return water temperature and test heat user indoor temperature influence the 3rd relation information.
  2. 2. the method as described in claim 1, it is characterised in that it is described according to first test result, determine weather parameters Change and the return water temperature for testing thermal substation and the first relation information of the indoor temperature for testing heat user, including：
    Model Distinguish algorithm and first test result based on time domain data, determine weather parameters change to testing thermal substation Return water temperature and test heat user indoor temperature influence the first transmission function information；
    It is described to change and test the backwater temperature of thermal substation according to second test result, the heating load of definite test thermal power plant unit Second relation information of the indoor temperature of degree and test heat user, including：
    Model Distinguish algorithm and second test result based on time domain data, determine the heating load change of test thermal power plant unit The the second transmission function information influenced on the return water temperature for testing thermal substation and the indoor temperature for testing heat user.
  3. 3. method as claimed in claim 1 or 2, it is characterised in that first test result includes the first weather parameters The value of value, the value of the first pipeline parameter and the first customer parameter, wherein, first weather parameters includes outdoor air Temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1, backwater of first pipeline parameter including testing heating network Temperature Tr1, i-th test thermal substation primary side return water temperature Tpr1,iWith secondary side return water temperature Tsr1,i, first user Parameter includes the indoor temperature T of j-th of test heat user of i-th of test thermal substationuser1,ij；
    Wherein, it is described according to first test result, determine weather parameters change and test thermal substation return water temperature and The first relation information of the indoor temperature of heat user is tested, including：
    According to the outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1Value determine outdoor integrated Temperature u11Value；
    According to the outdoor combined air temperature u11J-th of thermal substation test heat user of value and i-th of test indoor temperature Tuser1,ijValue, determine outdoor combined air temperature u11To the indoor temperature of j-th of test heat user of i-th of test thermal substation Tuser1,ijThe transmission function of influence；
    According to the outdoor combined air temperature u11Value and it is described test heating network return water temperature Tr1Value, determine outdoor Integrated temperature u11To the return water temperature T of the test heating networkr1The transmission function of influence；
    According to the outdoor combined air temperature u11Value and it is described i-th test thermal substation primary side return water temperature Tpr1,iTake Value, determines outdoor combined air temperature u11To the primary side return water temperature T of i-th of test thermal substationpr1,iThe transmission function of influence；
    According to the outdoor combined air temperature u11Value and i-th test thermal substation secondary side return water temperature Tsr1,iValue, Determine the outdoor combined air temperature u11To the secondary side return water temperature T of i-th of test thermal substationsr1,iThe transmission function of influence；
    Wherein, second test result includes value, the value and second user of the second pipeline parameter of the second weather parameters The value of parameter, wherein, second weather parameters includes outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave spoke Penetrate Iswr2, supply water temperature T of second pipeline parameter including testing heating networks2, test heating network return water temperature Tr2、 The primary side return water temperature T of i-th of test thermal substationpr2,iWith secondary side return water temperature Tsr2,i, the second user parameter includes The indoor temperature T of i-th of test heat user of i-th of test thermal substationuser2,ij, wherein, i is more than or equal to 1, and is less than Or the positive integer equal to N, N are the sum of the test thermal substation, j is more than or equal to 1, and less than or equal to M Positive integer, M are the sum that heat user is tested in i-th of test thermal substation,
    It is described to change and test the backwater temperature of thermal substation according to second test result, the heating load of definite test thermal power plant unit Second relation information of the indoor temperature of degree and test heat user, including：
    According to the outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave radiation Iswr2Value determine outdoor integrated Temperature u21Value；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2Thermal substation is tested with i-th The indoor temperature T of j-th of test heat useruser2,ijValue, determine test heating network supply water temperature Ts2I-th is surveyed Try the indoor temperature T of j-th of test heat user of thermal substationuser2,ijThe transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With the test heating network Return water temperature Tr2Value, determine test heating network supply water temperature Ts2To the return water temperature T of the test heating networkr2 The transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With described i-th test heating power The primary side return water temperature T to standpr2,iValue, determine test heating network supply water temperature Ts2Thermal substation is tested to i-th Primary side return water temperature Tpr2,iThe transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2Thermal substation is tested with i-th Secondary side return water temperature Tsr2,iValue, determine test heating network supply water temperature Ts2The secondary of thermal substation is tested to i-th Side return water temperature Tsr2,iThe transmission function of influence.
  4. 4. method as claimed in claim 1 or 2, it is characterised in that base operation condition experiment is carried out to the central heating system, Including：
    Predicted according to the outdoor temperature of base operation condition during the experiment, determine that base operation condition during the experiment ensures the whole network heating quality Heat source is averaged water supply flow Gs0,1With supply water temperature Ts0,1, and it is set to benchmark water supply flow and benchmark supply water temperature；
    The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature, and Control is constant in base operation condition during the experiment, maintenance benchmark water supply flow and benchmark supply water temperature.
  5. 5. method as claimed in claim 1 or 2, it is characterised in that described that operating condition is carried out to the central heating system Experiment, including：
    Predicted according to the outdoor temperature of operating condition during the experiment, determine that operating condition during the experiment ensures the whole network heating quality Heat source is averaged water supply flow Gs0,2With supply water temperature Ts0,2, and it is set to benchmark water supply flow and benchmark supply water temperature；
    The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature；
    According to the peak valley rule of power demand, determine that test thermal power plant unit increases load period TP1With load shedding period TP2；
    According to the thermoelectricity ability of test thermal power plant unit, determine that the corresponding period tests the supply water temperature increasing degree δ of thermal power plant unitTsup With reduction amplitude δTsdn；
    Increasing load period TP1, the steam extraction parameter of adjustment test thermal power plant unit so that test the supply water temperature increase of thermal power plant unit For Ts0,2+δTsupAnd keep；
    In load shedding period TP2, the steam extraction parameter of adjustment test thermal power plant unit so that testing the supply water temperature of thermal power plant unit reduces For Ts0,2-δTsdnAnd keep；
    In other periods of experiment, the supply water temperature of control test thermal power plant unit remains Ts0,2。
  6. A kind of 6. device for testing central heating system dynamic characteristic, it is characterised in that including：
    First determining module, for determining that the test thermal power plant unit in the central heating system, test thermal substation, test heat are used Family and test heating network；
    Module is adjusted, for adjusting the operating mode of the central heating system, so that the central heating system meets that test is real Test condition；
    Base operation condition test module, for carrying out base operation condition experiment to the central heating system, and obtains base operation condition reality The first test result tested；
    Second determining module, for according to first test result, determining weather parameters change and the backwater of test thermal substation First relation information of temperature and the indoor temperature of test heat user；
    Operating condition test module, for carrying out operating condition experiment to the central heating system, and obtains operating condition reality The second test result tested；
    3rd determining module, for according to second test result, determining the heating load change and test of test thermal power plant unit Second relation information of the return water temperature of thermal substation and the indoor temperature of test heat user；
    4th determining module, for according to first relation information and second relation information, determining that weather parameters changes And the heating load change that test thermal power plant unit supplies is to testing the return water temperature of thermal substation and testing the indoor temperature of heat user The 3rd relation information influenced.
  7. 7. device as claimed in claim 6, it is characterised in that second determining module, is specifically used for：
    Model Distinguish algorithm and first test result based on time domain data, determine weather parameters change to testing thermal substation Return water temperature and test heat user indoor temperature influence the first transmission function information；
    3rd determining module, is specifically used for：
    Model Distinguish algorithm and second test result based on time domain data, determine the heating load change of test thermal power plant unit The the second transmission function information influenced on the return water temperature for testing thermal substation and the indoor temperature for testing heat user.
  8. 8. device as claimed in claims 6 or 7, it is characterised in that first test result includes the first weather parameters The value of value, the value of the first pipeline parameter and the first customer parameter, wherein, first weather parameters includes outdoor air Temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1, backwater of first pipeline parameter including testing heating network Temperature Tr1, i-th test thermal substation primary side return water temperature Tpr1,iWith secondary side return water temperature Tsr1,i, first user Parameter includes the indoor temperature T of j-th of test heat user of i-th of test thermal substationuser1,ij；
    Wherein, second determining module, is specifically used for：
    According to the outside air temperature Tatm1, sun long-wave radiation Ilwr1With shortwave radiation Iswr1Value determine outdoor integrated Temperature u11Value；
    According to the outdoor combined air temperature u11J-th of thermal substation test heat user of value and i-th of test indoor temperature Tuser1,ijValue, determine outdoor combined air temperature u11To the indoor temperature of j-th of test heat user of i-th of test thermal substation Tuser1,ijThe transmission function of influence；
    According to the outdoor combined air temperature u11Value and it is described test heating network return water temperature Tr1Value, determine outdoor Integrated temperature u11To the return water temperature T of the test heating networkr1The transmission function of influence；
    According to the outdoor combined air temperature u11Value and it is described i-th test thermal substation primary side return water temperature Tpr1,iTake Value, determines outdoor combined air temperature u11To the primary side return water temperature T of i-th of test thermal substationpr1,iThe transmission function of influence；
    According to the outdoor combined air temperature u11Value and i-th test thermal substation secondary side return water temperature Tsr1,iValue, Determine the outdoor combined air temperature u11To the secondary side return water temperature T of i-th of test thermal substationsr1,iThe transmission function of influence；
    Wherein, second test result includes value, the value and second user of the second pipeline parameter of the second weather parameters The value of parameter, wherein, second weather parameters includes outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave spoke Penetrate Iswr2, supply water temperature T of second pipeline parameter including testing heating networks2, test heating network return water temperature Tr2、 The primary side return water temperature T of i-th of test thermal substationpr2,iWith secondary side return water temperature Tsr2,i, the second user parameter includes The indoor temperature T of i-th of test heat user of i-th of test thermal substationuser2,ij, wherein, i is more than or equal to 1, and is less than Or the positive integer equal to N, N are the sum of the test thermal substation, j is more than or equal to 1, and less than or equal to M Positive integer, M are the sum that heat user is tested in i-th of test thermal substation,
    3rd determining module, is specifically used for：
    According to the outside air temperature Tatm2, sun long-wave radiation Ilwr2With shortwave radiation Iswr2Value determine outdoor integrated Temperature u21Value；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2Thermal substation is tested with i-th The indoor temperature T of j-th of test heat useruser2,ijValue, determine test heating network supply water temperature Ts2I-th is surveyed Try the indoor temperature T of j-th of test heat user of thermal substationuser2,ijThe transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With the test heating network Return water temperature Tr2Value, determine test heating network supply water temperature Ts2To the return water temperature T of the test heating networkr2 The transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2With described i-th test heating power The primary side return water temperature T to standpr2,iValue, determine test heating network supply water temperature Ts2Thermal substation is tested to i-th Primary side return water temperature Tpr2,iThe transmission function of influence；
    According to the outdoor combined air temperature u21Value, test heating network supply water temperature Ts2Thermal substation is tested with i-th Secondary side return water temperature Tsr2,iValue, determine test heating network supply water temperature Ts2The secondary of thermal substation is tested to i-th Side return water temperature Tsr2,iThe transmission function of influence.
  9. 9. device as claimed in claims 6 or 7, it is characterised in that the base operation condition test module, is specifically used for：
    Predicted according to the outdoor temperature of base operation condition during the experiment, determine that base operation condition during the experiment ensures the whole network heating quality Heat source is averaged water supply flow Gs0,1With supply water temperature Ts0,1, and it is set to benchmark water supply flow and benchmark supply water temperature；
    The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature, and Control is constant in base operation condition during the experiment, maintenance benchmark water supply flow and benchmark supply water temperature.
  10. 10. device as claimed in claims 6 or 7, it is characterised in that the operating condition test module, is specifically used for：
    Predicted according to the outdoor temperature of operating condition during the experiment, determine that operating condition during the experiment ensures the whole network heating quality Heat source is averaged water supply flow Gs0,2With supply water temperature Ts0,2, and it is set to benchmark water supply flow and benchmark supply water temperature；
    The steam extraction parameter of adjustment test thermal power plant unit so that Heat-Source Parameters reach benchmark water supply flow and benchmark supply water temperature；
    According to the peak valley rule of power demand, determine that test thermal power plant unit increases load period TP1With load shedding period TP2；
    According to the thermoelectricity ability of test thermal power plant unit, determine that the corresponding period tests the supply water temperature increasing degree δ of thermal power plant unitTsup With reduction amplitude δTsdn；
    Increasing load period TP1, the steam extraction parameter of adjustment test thermal power plant unit so that test the supply water temperature increase of thermal power plant unit For Ts0,2+δTsupAnd keep；
    In load shedding period TP2, the steam extraction parameter of adjustment test thermal power plant unit so that testing the supply water temperature of thermal power plant unit reduces For Ts0,2-δTsdnAnd keep；
    In other periods of experiment, the supply water temperature of control test thermal power plant unit remains Ts0,2。
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