CN110118665A - Method for judging heating system thermal imbalance based on typical household room temperature and household heat meter - Google Patents
Method for judging heating system thermal imbalance based on typical household room temperature and household heat meter Download PDFInfo
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- CN110118665A CN110118665A CN201910378539.3A CN201910378539A CN110118665A CN 110118665 A CN110118665 A CN 110118665A CN 201910378539 A CN201910378539 A CN 201910378539A CN 110118665 A CN110118665 A CN 110118665A
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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
- G01M99/002—Thermal testing
Abstract
The invention provides a method for judging heating system thermal imbalance based on a typical household room temperature and a household heat meter, which comprises the following steps: a: selecting one user from each class of users as a typical user; typical indoor separate placing roomA temperature sensor and a household calorimeter; b: according to the set room temperature tn，spAverage dry bulb temperature t outdoorw，avAnd room temperature t actually measured by room temperature sensorn，ac(i) Actual heat quantity Q for typical householduser，ac(i) Correcting to obtain the heat quantity Q of each type of users at the set room temperatureuser，th(i) (ii) a C: and comparing the actual heat consumption and the heat demand of each user of the same vertical pipe to judge the vertical imbalance, and comparing the actual heat consumption and the heat demand of each heat inlet to judge the horizontal imbalance. The method is simple and feasible, has small investment and strong operability, and is beneficial to simplifying the judgment operation of thermal imbalance and reducing the judgment cost.
Description
Technical field
The present invention relates to heating system thermal misadjustment determination method technical fields, particularly relate to a kind of based on typical family room temperature
With the method for family the mount of using heat list deciding heating system thermal misadjustment.
Background technique
The thermal misadjustment of heating network is generally existing in heating system pipe network, often results in proximal end overheat, distal end supercooling,
The efficiency of heating system, also deterioration heating quality are not only reduced, user's hot comfort and system energy consumption are directly affected.Currently, often
Thermodynamic equilibrium determination method includes flow criterion and two kinds of return water temperature criterion.Thermal misadjustment is determined using flow
Basic ideas are that the highest loop of flow imbalance degree is determined as index circuit by reading flow sensor data, and not right
The end carries out processing adjusting.After the valve opening to each loop in parallel is adjusted, several branch's loops in system are checked
Actual flow, and itself and design discharge are compared, to judge thermal misadjustment situation.Such as Chinese Patent Application No.
201510254027.8,104819504 A of application publication number CN disclose a kind of hydraulic equilibrium stream based on data remote transmission system
Adjusting method is measured, system mainly includes heat exchange station and terminal heat user, heat exchange station and a plurality of parallel connection by terminal heat user heat supply
Each branch's loop completes heat exchange in heat exchanger, and being responsible on loop has the building adjustable and balancing Fa He calorimeter, each in parallel each
There are adjustable and balancing valve or control valve on branch's loop.This adjusting method includes: that (1) is based on data remote transmission control system, is opened
All valves；(2) least favorable end loop is determined；(3) valve opening of each loop in parallel is adjusted to control flow.For another example in
State's number of patent application 201620927389.9 discloses a kind of pipe network intelligence hydraulic equilibrium regulating system (Authorization Notice No. CN
205939355 U), including pipe network circulation loop, pipe network circulation loop is equipped with heat exchange unit, circulating pump and multiple groups user
End, multiple groups user terminal is in parallel, and the inlet of every group of user terminal is equipped with electric control valve, and heat exchange unit exports cold source or heat
Source is driven by circulating pump and enters user terminal through electric control valve, and the aperture of electric control valve is controlled by intelligent regulating device, multiple groups
The intelligent regulating device of user terminal is connect with master controller respectively, and master controller acquisition information calculates and issues control instruction to intelligence
It is adjustable device.It is the ring that return water temperature in user side pipe network system is minimum according to the basic ideas that return water temperature is determined
Road is determined as index circuit, by measuring the return water temperature of each major loop and branch's loop, determines that hydraulic misadjustment situation is gone forward side by side
Row is corresponding to be adjusted.As Chinese patent application 201310037474.9 discloses a kind of central heating network secondary network hydraulic equilibrium control
System and its control method (103075760 A of application publication number CN) processed, including distant central computer control unit and several
The horizontal hydraulic Offset control unit in corresponding building, the control unit include the GPRS communicator for being located at building entrance, local survey
Control terminal, the electric control valve on building water supplying pipe, return water temperature sensor and building self-power differential pressure on building return pipe
Control valve sets user's self-power differential pressure control valve on the interior user's return pipe in building.Method are as follows: A. first successive step horizontal hydraulic manually
Imbalance: B. adapts to adjustment horizontal hydraulic imbalance automatically: central computer control unit calculates building return water according to outdoor temperature
Desired temperature t, detection and control terminal acquire building return water temperature T and motorized adjustment valve opening data, calculate deviation Δ T, in turn
Control motorized adjustment valve opening；C. vertical hydraulic misadjustment is manually adjusted.For another example Chinese Patent Application No. 201410505029.5 is public
A kind of hydraulic equilibrium temperature adjusting method (104214810 A of application publication number CN) has been opened, included the following steps: a, open and own
Valve and water-filling；B, it determines index circuit, the minimum loop of return water temperature is determined as index circuit, not to the least favorable
Loop is adjusted；C, the return water temperature of each major loop and branch's loop is adjusted, compensation temperature is considered, makes the return water of each loop
Temperature is equal with total return water temperature.Finally several loops are spot-check, it is ensured that debug the accuracy of structure.
The premise that both the above method is all based on end type selecting rationally and user is not transformed it, in face of practical
End heat dissipation area situation bigger than normal or less than normal, is determined just with flow or return water temperature in use, it is possible that occurring
Erroneous judgement, occurs overheating or be subcooled so as to cause certain user.In this regard, there is researcher to propose that one kind is balanced based on room temperature data
The method of judgement.Its basic ideas is as follows: the room temperature data of acquisition heat user first establishes database, then calculates room temperature variance
Value, judges that room temperature data dispersion degree determines balance by variance yields.Such as Chinese Patent Application No.
201410012370.7 disclosing a kind of for thermal control system and its supply control method for heat (application publication number CN 104776488
A), including heat death theory Database Unit, include collected heat user room temperature data in the heat death theory Database Unit, and lead to
It crosses calculating output and represents room temperature；Agent's room temperature storage unit, for storing the representative room temperature exported in heat death theory Database Unit；
Comparing unit receives the representative room temperature in agent's room temperature storage unit and will represent room temperature and predetermined temperature comparison, defeated
Compare data out；Heat regulates and controls unit, receives the comparison data exported in comparing unit, and by comparing data regulation heat
Heat after regulation can be output in heat user room temperature by size, heat regulation unit.This method is using room temperature as constraint
Condition, demand of being more close to the users, but due to needing to establish room temperature data library, therefore largely to acquire user's room temperature data, this nothing
Initial investment can be increased by doubting.Therefore, be badly in need of developing it is a kind of it is simple and feasible, initial investment is small, facilitates heating system efficient operation
And improve the thermal misadjustment determination method of heating quality and the hot satisfaction of user.
Summary of the invention
To solve the above the deficiencies in the prior art, the present invention provides one kind to be sentenced based on typical family room temperature and family the mount of using heat table
Determine the method for heating system thermal misadjustment, this method only acquires the room temperature data at typical family, and data acquisition is easy, can be simple, fast
The thermodynamic equilibrium situation of each user is determined fastly.
The technical scheme of the present invention is realized as follows:
A method of based on typical family room temperature and family the mount of using heat list deciding heating system thermal misadjustment, including operate as follows
Step:
A: a family is chosen from every a kind of user as typical family, typical family includes following six class: in top layer side family, top layer
Between family, the middle layer family among family and bottom at family, family, bottom among middle layer；Typical case is indoor to place respectively for acquiring allusion quotation
The temperature sensor of type family room temperature is placed respectively for acquiring the practical the mount of using heat Q in typical family in typical well in every familyUser, ac(i)
Family the mount of using heat table；
B: according to the room temperature t of settingN, sp, outdoor per day dry-bulb temperature tW, avAnd the room temperature t of temperature sensor actual measurementN, ac
(i) using formula 1 to the typical case practical the mount of using heat Q in familyUser, ac(i) it is modified, obtains every a kind of user in setting room temperature
Under calorific requirement QUser, th(i),
In formula 1, i respectively represents six quasi-representative families in step A, t from 1 to 6N, spFor the room temperature of setting；tW, avTo determine
Outdoor per day dry-bulb temperature in period；tN, acIt (i) is i-th class user's actual room temperature in the judgement period；QUser, thIt (i) is judgement
The calorific requirement of i-th class user in period；QUser, ac(i) the practical the mount of using heat to determine the i-th class user in the period；
C: by comparing the practical the mount of using heat Q of each user of same standpipeUser, ac(k, s, t) and calorific requirement QUser, th(i) it carries out
Vertical misadjustment determines, by comparing the practical the mount of using heat Q of each consumer heat inletInlet, ac(k) and calorific requirement QInlet, th(k) it carries out horizontal
Imbalance determines.
Preferably, vertical misadjustment determines method particularly includes: calculates the practical with heat of each user of same standpipe using formula 2
Measure QUser, ac(k, s, t) and its calorific requirement QUser, th(i) degree of balance between:
In formula 2, k is consumer heat inlet number, k=1,2,3 ... n；S is number of floor levels, s=1,2,3 ... m；T is user's volume
Number；QUser, ac(k, s, t) represents the practical the mount of using heat of k-th of consumer heat inlet s floor t user；X (k, s, t) indicates k-th of heat
The degree of balance of power entrance s floor t user.
It is further preferred that off-leveling determined method particularly includes: first determine the type of each user of each consumer heat inlet, really
Fixed each user's calorific requirement, the calorific requirement of each consumer heat inlet is calculated using formula 3, and formula 4 is recycled to calculate each consumer heat inlet
Practical the mount of using heat,
In formula 3 and formula 4, k indicates the number of consumer heat inlet；A (i) indicates the user of a i type of a (i)；QInlet, th
(k) calorific requirement of k-th of consumer heat inlet is indicated；QInlet, ac(k) the practical the mount of using heat of k-th of consumer heat inlet is indicated；Last basis
Each consumer heat inlet calorific requirement and practical the mount of using heat calculate the degree of balance of each consumer heat inlet using formula (5),
In formula 5, x (k) indicates the degree of balance of k-th of consumer heat inlet.
Compared with prior art, the invention has the following beneficial effects:
1, the room temperature data for only measuring six typical families, the decision procedure phase with the room temperature data at the existing each family of acquisition
Than, it is not only easy to operate, and cost is greatly lowered；
2, typical family room temperature data combination family the mount of using heat table data can simply and rapidly determine that the waterpower of heating system is flat
Weigh situation, provides solution route for thermal misadjustment and excessively for heat problem, and then reduce energy consumption, strong operability.
3, the room temperature data that all users of same type are replaced with typical family room temperature data efficiently solves in real work often
The problem of room temperature data missing seen.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is typical family number and position view；
Fig. 2 is system and each device schematic view of the mounting position；
Fig. 3 is the schematic diagram that vertical misadjustment determines specific embodiment；
Fig. 4 is the schematic diagram that off-leveling determines specific embodiment.
In attached drawing 1: 1, top layer side family；2, family among top layer；3, middle layer side family；4, family among middle layer；5, bottom side
Family；6, family among bottom.In attached drawing 2 and attached drawing 3: M, family the mount of using heat table；T, temperature sensor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
According to the typical family of selection shown in attached drawing 1, typical family include: top layer among family 1, top layer family 3 when family 2, middle layer,
Family 6 among family 4, bottom side family 5 and bottom among middle layer；Above-mentioned typical case is indoor to place temperature sensor and family the mount of using heat respectively
Table, specific installation site are as shown in Fig. 2；Fig. 3 is the schematic diagram that vertical misadjustment determines specific embodiment, i.e. certain consumer heat inlet
And its schematic diagram of each user of the different floors undertaken, consumer heat inlet number is k=1.
A method of based on typical family room temperature and family the mount of using heat list deciding heating system heating power vertical misadjustment, including it is as follows
Operating procedure:
The first step calculates the calorific requirement of all types of user, selects to determine that the period is 1 week, determine in the period, according to each typical case
Family room temperature setting value tN, sp, outdoor per day dry-bulb temperature tW, av, each typical case family room temperature t for measuring of temperature sensorN, ac
(1)、tN, ac(2)…tN, ac(6) and the practical the mount of using heat data Q of family the mount of using heat tableUser, ac(1)、QUser, ac(2)…QUser, ac(6)
The calorific requirement of each typical family setting at room temperature is calculated using formula (1)；
Second step, 1 judges each user type with reference to the accompanying drawings；
Third step obtains each practical the mount of using heat Q of user on same standpipe according to family the mount of using heat tableUser, ac(1,1,1),
QUser, ac(1,1,2), QUser, ac(1,2,1), QUser, ac(1,2,2) ... QUser, ac(1,8,1), QUser, ac(1,8,2)；
4th step, according to formula (2) calculate the degree of balance x (1,1,1) of each user, x (1,1,2), x (1,2,1), x (1,
2,2) ... x (1,8,1), x (1,8,2).
Embodiment 2
According to the typical family of selection shown in attached drawing 1, typical family include: top layer among family 1, top layer family 3 when family 2, middle layer,
Family 6 among family 4, bottom side family 5 and bottom among middle layer；Above-mentioned typical case is indoor to place temperature sensor and family the mount of using heat respectively
Table, specific installation site are as shown in Fig. 2；Attached drawing 4 is the schematic diagram that off-leveling determines specific embodiment, that is, has 12
Certain system schematic of consumer heat inlet.
A method of based on typical family room temperature and family the mount of using heat list deciding heating system heating power off-leveling, including it is as follows
Operating procedure:
The first step, 1 type for judging each user that 12 consumer heat inlets are undertaken, determines that each user's needs heat with reference to the accompanying drawings
Amount；
Second step calculates the calorific requirement of 12 consumer heat inlets using formula (3)；
Third step calculates the practical the mount of using heat Q of 12 consumer heat inlets using formula (4)Inlet, ac(1)、QInlet, ac(2)…
QInlet, ac(12)；
4th step calculates degree of balance x (1), x (2) ... the x (12) of 12 consumer heat inlets using formula (5).
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of method based on typical family room temperature and family the mount of using heat list deciding heating system thermal misadjustment, which is characterized in that packet
Include following operating procedure:
A: a family is chosen from every a kind of user as typical family, the typical case family includes following six class: in top layer side family, top layer
Between family, the middle layer family among family and bottom at family, family, bottom among middle layer；The typical case is indoor to place respectively for adopting
Collect the temperature sensor of the typical family room temperature, is placed respectively in the typical well in every family for acquiring the practical use in typical family
Heat QUser, ac(i) family the mount of using heat table；
B: according to the room temperature t of settingN, sp, outdoor per day dry-bulb temperature tW, avAnd the room temperature t of temperature sensor actual measurementN, ac(i) sharp
With formula 1 to the typical case practical the mount of using heat Q in familyUser, ac(i) it is modified, obtains need of every a kind of user in setting at room temperature
Heat QUser, th(i),
In formula 1, i respectively represents six quasi-representative families in step A, t from 1 to 6N, spFor the room temperature of setting；tW, avTo determine the period
The interior per day dry-bulb temperature in outdoor；tN, acIt (i) is i-th class user's actual room temperature in the judgement period；QUser, thIt (i) is the judgement period
The calorific requirement of interior i-th class user；QUser, ac(i) the practical the mount of using heat to determine the i-th class user in the period；
C: by comparing the practical the mount of using heat Q of each user of same standpipeUser, ac(k, s, t) and calorific requirement QUser, th(i) it carries out vertical
Imbalance determines, by comparing the practical the mount of using heat Q of each consumer heat inletInlet, ac(k) and calorific requirement QInlet, th(k) off-leveling is carried out
Determine.
2. the side according to claim 1 based on typical family room temperature and family the mount of using heat list deciding heating system thermal misadjustment
Method, it is characterised in that: what the vertical misadjustment determined method particularly includes: the reality of each user of same standpipe is calculated using formula 2
The mount of using heat QUser, ac(k, s, t) and its calorific requirement QUser, th(i) degree of balance between:
In formula 2, k is consumer heat inlet number, k=1,2,3 ... n；S is number of floor levels, s=1,2,3 ... m；T is Customs Assigned Number；
QUser, ac(k, s, t) represents the practical the mount of using heat of k-th of consumer heat inlet s floor t user；X (k, s, t) indicates k-th of heating power
The degree of balance of entrance s floor t user.
3. the side according to claim 1 based on typical family room temperature and family the mount of using heat list deciding heating system thermal misadjustment
Method, it is characterised in that: what the off-leveling determined method particularly includes: first determine the type of each user of each consumer heat inlet, determine
Each user's calorific requirement calculates the calorific requirement of each consumer heat inlet using formula 3, and formula 4 is recycled to calculate the reality of each consumer heat inlet
Border the mount of using heat,
In formula 3 and formula 4, k indicates the number of consumer heat inlet；A (i) indicates the user of a i type of a (i)；QInlet, th(k)
Indicate the calorific requirement of k-th of consumer heat inlet；QInlet, ac(k) the practical the mount of using heat of k-th of consumer heat inlet is indicated；Finally according to each heat
Power entrance calorific requirement and practical the mount of using heat calculate the degree of balance of each consumer heat inlet using formula (5),
In formula 5, x (k) indicates the degree of balance of k-th of consumer heat inlet.
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Cited By (1)
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| CN111023256A (en) * | 2019-12-26 | 2020-04-17 | 天津华春智慧能源科技发展有限公司 | Self-decision control system and method for heat exchange unit |
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