CN101354295B - Temperature allocation method of multi-building combined heat metering - Google Patents
Temperature allocation method of multi-building combined heat metering Download PDFInfo
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- CN101354295B CN101354295B CN2008101371111A CN200810137111A CN101354295B CN 101354295 B CN101354295 B CN 101354295B CN 2008101371111 A CN2008101371111 A CN 2008101371111A CN 200810137111 A CN200810137111 A CN 200810137111A CN 101354295 B CN101354295 B CN 101354295B
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- 238000010438 heat treatment Methods 0.000 claims description 41
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- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
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Abstract
The invention relates to a temperature allocation method, in particular to a temperature allocation method for the combined heat metering of multiple buildings. The method of the invention solves the problem of high system manufacturing cost due to the fact that the number of heat meters for calculating total heat by the current metering allocation system based on a temperature method is relatively large, and the problem of the uneven heat allocation of a plurality of heat supplying systems based on the temperature method existing in the current metering allocation system based on the temperature method. The method of the invention comprises the steps that: Step 1. Buildings in a residential quarter are classified into certain areas according to a convenient heat supplying manner; a master combined heat metering gauge of multiple residential buildings is arranged collectively in the residential buildings of the same area and serves as a trade clearing gauge; a plurality of temperature sensors are arranged in each family; by utilizing average indoor temperature measured by each family, and heat allocation of each family is carried out; and Step 2. Heat metering allocated to each user is calculated. The use of the invention reduces the number of heat meters for calculating total heat by the metering allocation system based on the temperature method, thereby reducing system manufacturing cost and causing the heat allocation based on the temperature method of a plurality of heat supplying systems to be more even.
Description
Technical field
The present invention relates to a kind of temperature allocation method.
Background technology
Temperature method metering shares that every building need be provided with a heat summary table in the system, thereby the heat summary table expense that makes each household bear is higher.With one 48 family building is example, if summary table adopts ultrasonic calorimeter, with 1.6 ten thousand yuan of calculating, each household will be born 333 yuan summary table expense, this will cause developer's building cost to increase, thereby influence applying of the hot measurement technology of heating, influence implementing in full of building energy-saving work.Skyscraper generally need be divided into heating system several region for solving the excessive or imbalance of static pressure, and each district is provided with heat measuring system separately, and each district is provided with a heat summary table, and each hot user shares according to the heat summary table in this district.Can cause the different user of contiguous floors thus, area is identical, room temperature is identical, and the heat of sharing is but different fully.This is a serious unreasonable problem, has run counter to the principle that hot metering heating power is shared.
Summary of the invention
The objective of the invention is for solving the more problem that causes its system cost to increase of calorimeter quantity that existing temperature method measures the metering total amount of heat of sharing system, and the metering of existing temperature method shares the problems that there is the temperature method heat distribution inequality of many cover heating systems in system, and then a kind of temperature allocation method of multi-building combining for heat measuring is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
The temperature allocation method of multi-building combining for heat measuring of the present invention is realized according to following steps:
1), the heating load in every building:
Every solitary building heating load is an each household heating load sum, for a definite buildings, and the space-heating load data per unit building volume q of buildings
Vz(W/m
3. ℃) be constant, the residing outdoor conditions of buildings is identical, and the heat that buildings is supplied with in time τ and the pass of indoor temperature are:
Q
i=q
vzV
i(t
ni-t
w)τ=q
vzA
iH
i(t
ni-t
w)τ(2)
In the formula: Q
z---the heating load in z building, W;
Q
i---the heating load of each household, W;
q
Vz---the volume heating index of buildings, W/ (m
3℃);
V
i---i user's room volume, m
3
t
w---outdoor temperature, ℃;
t
Ni---the average indoor temperature of each household, ℃;
A
i---i user's room area, m
2
H
i---user's room height, m;
The total number of users amount in m---z building, the family;
Each user indoor all is provided with n temperature probe, and then the average indoor temperature of each household can be taken as the area weighted mean of each household:
In the formula: A
Ij---the room area of i user installation temperature probe, m
2
t
Nij---the temperature that the user measures in j room, ℃;
The quantity of temperature probe is individual in p---the installation room;
2), the gross heat input in many buildings:
The gross heat input in many buildings is every solitary building heating load sum, promptly
In the formula: Q---the gross heat input in many buildings, W;
Total building number in y---many buildings;
3), the heat sharing coefficient in many buildings:
The heating load of each household can be expressed as with the ratio of the gross heat input in many buildings:
Heating load with each household is expressed as thus:
Q
i=QKV
i(t
m-t
w)(6)
In the formula: K---the comprehensive heat sharing coefficient in many buildings, 1/ (m
2℃);
Formula (6) is many building heat sharing aggregative formulas, utilizes formula (6) to calculate the heat that each user shares metering.
The invention has the beneficial effects as follows: use of the present invention has significantly reduced the calorimeter quantity that the metering total amount of heat of system is shared in the temperature method metering, thereby the reduction system cost makes the temperature method heat distribution of the many cover heating systems of skyscraper (or in a solitary building) more even.The inventive method is that buildings is built some the buildings that the age is identical, building occupancy is identical, the heat consumption of building index is close, and unification is provided with a metering gross heat input calorimeter, measures the gross heat input of these buildingss.The area of temperature, area and the every solitary building of measuring according to each user is determined heat sharing coefficient (being the comprehensive heat sharing COEFFICIENT K in many buildings), calculates the trade settlement heat at each family then.
Major advantage of the present invention is embodied in the following aspects:
One, heat measuring system is become simply, reduced installation workload, maintenance workload.
Two, multi-building combining is provided with heating load metering summary table, reduces summary table quantity, reduces investment.With a heat supply sub-district with 60 buildings is example (about 290,000 m
2), suppose every building 48 families, every building is 4800m
2If every building is provided with a cover heat measuring system, need 60 of DN50 ultrasonic calorimeters, gross investment needs 84.0 ten thousand yuan.If accomplish 5 building combinings a calorimeter is set, then needs 12 of the ultrasonic calorimeters of DN100, gross investment is 39.6 ten thousand yuan, is 47.1% of single metering heat summary table investment, saves 44.4 ten thousand yuan of investments.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 5 are provided with a calorimeter, then will reduce investment outlay 1,542 ten thousand yuan.If accomplish 10 building combinings a calorimeter is set, heat supply sub-district with 60 buildings then needs 6 of the ultrasonic calorimeters of DN100, and gross investment is 19.8 ten thousand yuan, is 23.6% of single metering heat summary table investment, saves 64.2 ten thousand yuan of investments.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 10 are provided with a calorimeter, then will reduce investment outlay 2229.2 ten thousand yuan.If accomplish 25 building combinings a calorimeter is set, heat supply sub-district with 60 buildings then needs 3 of the ultrasonic calorimeters of DN150, and gross investment is 15.9 ten thousand yuan, is 18.9% of single metering heat summary table investment, saves 68.1 ten thousand yuan of investments.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 25 are provided with a calorimeter, then will reduce investment outlay 2,475 ten thousand yuan.
Three, the metering cell investment that calorimeter is set reduces significantly.
Former scheme one solitary building needs a metering cell, and the heat supply sub-district with 60 buildings needs 60 metering cells, needs 600,000 yuan of investments.If accomplish 5 building combinings a calorimeter is set, the heat supply sub-district with 60 buildings then needs saving metering cell to invest 45.6 ten thousand yuan.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 5 are provided with a calorimeter, then will save the metering cell and invest 1,667 ten thousand yuan.If accomplish 10 building combinings a calorimeter is set, the heat supply sub-district with 60 buildings then needs saving metering cell to invest 52.8 ten thousand yuan.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 10 are provided with a calorimeter, then will save the metering cell and invest 1,875 ten thousand yuan.If accomplish 25 building combinings a calorimeter is set, the heat supply sub-district with 60 buildings then needs saving metering cell to invest 56.4 ten thousand yuan.If city year development architecture 1,000 ten thousand m
2, adopt multi-building combining measurement technology of the present invention, per 25 are provided with a calorimeter, then will save the metering cell and invest 2,000 ten thousand yuan.
Four, help the heating station metering and realize information-based, digitizing.Hot continuous data centralized management is beneficial to and pinpoints the problems, and in time handles, and improves the reliability and the service quality of heating system.
Five, the present invention is the heat metering of many residential architectures, and simple, reliable usability methods is provided, and does not also have the method at present in the world.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention two.
Embodiment
Embodiment one: the temperature allocation method of the described multi-building combining for heat measuring of present embodiment is realized according to following steps:
1), the heating load in every building:
Every solitary building heating load is an each household heating load sum, for a definite buildings, and the space-heating load data per unit building volume q of buildings
Vz(W/m
3. ℃) be constant, the residing outdoor conditions of buildings is identical, and the heat that buildings is supplied with in time τ (approximate think the heat that is consumed) with the pass of indoor temperature is:
Q
i=q
vzV
i(t
ni-t
w)τ=q
vzA
iH
i(t
ni-t
w)τ(2)
In the formula: Q
z---the heating load in z building, W;
Q
i---the heating load of each household, W;
q
Vz---the volume heating index of buildings, W/ (m
3℃);
V
i---i user's room volume, m
3
t
w---outdoor temperature, ℃;
t
Ni---the average indoor temperature of each household, ℃;
A
i---i user's room area, m
2
H
i---user's room height, m;
The total number of users amount in m---z building, the family;
Each user indoor all is provided with n temperature probe, and then the average indoor temperature of each household can be taken as the area weighted mean of each household:
In the formula: A
Ij---the room area of i user installation temperature probe, m
2
t
Nij---the temperature that the user measures in j room, ℃;
The quantity of temperature probe is individual in p---the installation room;
2), the gross heat input in many buildings:
The gross heat input in many buildings is every solitary building heating load sum, promptly
In the formula: Q---the gross heat input in many buildings, W;
Total building number in y---many buildings;
3), the heat sharing coefficient in many buildings:
The heating load of each household can be expressed as with the ratio of the gross heat input in many buildings:
Heating load with each household is expressed as thus:
Q
i=QKV
i(t
ni-t
w)(6)
In the formula: K---the comprehensive heat sharing coefficient in many buildings, 1/ (m
2℃);
Formula (6) is many building heat sharing aggregative formulas, is applicable to various forms of buildings; Utilize formula (6) to calculate the heat that each user shares metering, this heat is exactly the heat of the charge among the present invention each household carried out.
Embodiment two: as shown in Figure 1, the 1st, the Temperature sampler in every building, 1-1 is the Temperature sampler of unit, 1-2 is an indoor temperature transmitter, being the first signal transmission bus 1-3 between the Temperature sampler 1-1 of indoor temperature transmitter 1-2 and unit, is secondary signal transfer bus 1-4 between the Temperature sampler 1-1 of unit and the Temperature sampler 1 in every building; The 2nd, the temperature in many buildings, heat are gathered divider; 2-1 is the total amount of heat meter in many buildings; It is the 4th signal transmission bus 2-2 that the total amount of heat meter 2-1 in many buildings and the temperature in many buildings, heat are gathered between the divider 2; It is the 3rd signal transmission bus 2-3 that the temperature in many buildings, heat are gathered between the Temperature sampler 1 (Temperature sampler that is connected many buildings) in divider 2 and every building.Indoor temperature transmitter 1-2 gathers each room temperature t of user
Nij, send the Temperature sampler 1-1 of unit then to by the first signal transmission bus 1-3.The Temperature sampler 1-1 of each unit calculates each user's area weighted mean tm according to the formula in the embodiment one (3), then with the t that calculates
mBe transferred to the Temperature sampler 1 in every building by secondary signal transfer bus 1-4, the Temperature sampler 1 in every building is gathered divider 2 by temperature, heat that the 3rd signal transmission bus 2-3 is transferred to many buildings, and total heat scale 2-1 gathers divider 2 with the total amount of heat signal Q that gathers by temperature, heat that the 4th signal transmission bus 2-2 also is transferred to many buildings.The temperature in many buildings, heat are gathered 2 heat sharing COEFFICIENT K according to many buildings of the formula in the embodiment one (7) calculating of divider, calculate the heat Q that each household is shared according to the formula in the embodiment one (6) at last
i(being the heat of each household trade settlement).Other parameter in the computing formula is all calculated according to design parameter.
Claims (1)
1. the temperature allocation method of a multi-building combining for heat measuring, it is characterized in that: it is realized according to following steps:
Step 1, the building in the residential quarter is carried out subregion according to heating form easily, many residential architectures in the same district is concentrated many residential architectures are set unite metering heat summary table, and with it as the trade settlement table; The plurality of temperature sensor is set in the each household, utilizes the indoor temperature medial temperature of each household metering, carry out sharing of each household heat;
Step 2, calculate the heat that each user shares metering:
1), the heating load in every building:
Every solitary building heating load is an each household heating load sum, for a definite buildings, and the space-heating load data per unit building volume q of buildings
Vz(W/m
3. ℃) be constant, the residing outdoor conditions of buildings is identical, and the heat that buildings is supplied with in time τ and the pass of indoor temperature are:
Q
i=q
vzV
i(t
ni-t
w)τ=q
vzA
iH
i(t
ni-t
w)τ (2)
In the formula: Q
z---the heating load in z building, W;
Q
i---the heating load of each household, W;
q
Vz---the volume heating index of buildings, W/ (m
3℃);
V
i---i user's room volume, m
3
t
w---outdoor temperature, ℃;
t
Ni---the average indoor temperature of each household, ℃;
A
i---i user's room area, m
2
H
i---user's room height, m;
The total number of users amount in m---z building, the family;
Each user indoor all is provided with n temperature probe, and then the average indoor temperature of each household can be taken as the area weighted mean of each household:
In the formula: A
Ij---the room area of i user installation temperature probe, m
2
t
Nij---the temperature that the user measures in j room, ℃;
The quantity of temperature probe is individual in p---the installation room;
2), the gross heat input in many buildings:
The gross heat input in many buildings is every solitary building heating load sum, promptly
In the formula: Q---the gross heat input in many buildings, W;
Total building number in y---many buildings;
3), the heat sharing coefficient in many buildings:
The heating load of each household can be expressed as with the ratio of the gross heat input in many buildings:
Heating load with each household is expressed as thus:
Q
i=QKV
i(t
ni-t
w) (6)
In the formula: K---the comprehensive heat sharing coefficient in many buildings, 1/ (m
2℃);
Formula (6) is many building heat sharing aggregative formulas, utilizes formula (6) to calculate the heat that each user shares metering.
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CN2008101371111A CN101354295B (en) | 2008-09-12 | 2008-09-12 | Temperature allocation method of multi-building combined heat metering |
Applications Claiming Priority (1)
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---|---|---|---|
CN2008101371111A CN101354295B (en) | 2008-09-12 | 2008-09-12 | Temperature allocation method of multi-building combined heat metering |
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CN101354295A CN101354295A (en) | 2009-01-28 |
CN101354295B true CN101354295B (en) | 2010-07-14 |
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ID=40307213
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101936578B (en) * | 2010-09-09 | 2012-07-25 | 河南众源系统工程有限公司 | Real-time effective area distribution method for heat energy |
CN102967004B (en) * | 2012-11-26 | 2014-11-26 | 吉林市宏深科技有限公司 | Temperature area method based heat metering allocation device and allocation method |
CN103033292B (en) * | 2012-12-17 | 2015-06-10 | 哈尔滨工业大学 | Method for measuring heat consuming user heating load of vertical single tube cocurrent type system and heating metering distributing system of vertical single tube cocurrent type system |
CN104613596A (en) * | 2015-01-08 | 2015-05-13 | 黄文辉 | Central air-conditioning household metering method and system |
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2008
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