CN108334708A - A kind of temperature monitoring method for single-storey factory building - Google Patents
A kind of temperature monitoring method for single-storey factory building Download PDFInfo
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- CN108334708A CN108334708A CN201810137787.4A CN201810137787A CN108334708A CN 108334708 A CN108334708 A CN 108334708A CN 201810137787 A CN201810137787 A CN 201810137787A CN 108334708 A CN108334708 A CN 108334708A
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Abstract
The invention discloses a kind of temperature monitoring methods for single-storey factory building, include the following steps：(1) modeling parameters of single-storey factory building are extracted, and are classified to the modeling parameters；(2) parameter finite element model of single-storey factory building is established；(3) practical to measure preset temperature measured value；(4) optimization model is established, and solves optimization model；(5) power consumption parametric optimal solution and temperature field optimal solution are exported.The present invention effectively monitors the temperature of single-storey factory building by dynamic parameter, parametric Finite Element Analysis model and optimization model, and has the characteristics that easily implementation, low cost.
Description
Technical field
The invention belongs to temperature monitorings and control technology field, and in particular to a kind of temperature monitoring side for single-storey factory building
Method.
Background technology
Single-storey factory building has both high and big effective use space, can meet modern production process flow in most cases
Requirement, it has also become the citation form of many key areas industrial buildings such as machinery, electronics, automobile, aviation, chemical industry.Very much
In practical application, single-storey factory building includes greater number of precision equipment and instrument, and the performance of these the equipment or instruments is vulnerable to ring
The influence of border temperature or its spontaneous heating and the performance of peripheral equipment cause to seriously affect；When serious, apparatus overheat may jeopardize behaviour
Make the personal safety of personnel.Single-storey factory building temperature is effectively monitored, for ensureing that operator's personal safety and equipment are run
Reliability, it has also become the basic demand of modern workshop building.
The basic ideas of conventional workshop temperature monitoring method are：The temperature monitoring demand for considering certain key positions, to this
A little position configuration contact type temperature sensors or non-contact infrared imaging sensor are with real-time monitoring temperature information.It is objective and
Speech, it is such easy to implement, and some practical problems can be solved；However there are many deficiencies.First, modern factories precision equipment
It is high with instrument layout density, thus there is many hot source points or temperature-sensitive point.By these positions be all thought of as key position and by
One sensors configured will lead to high construction cost and construction obstacle.Secondly, different from traditional workshop, modern workshop has
Very big flexibility, the technological process of production need to change according to product difference and constantly adjust.Temperature monitoring method based on static scene
It is difficult to meet the needs of continually changing complex industrial of monitoring objective is live.For this purpose, it is intensive for modern single-storey factory building equipment, by
Controlling feature and flexible production more than region has dynamic characteristic, develops a kind of inexpensive, easy-operating temperature monitoring method,
There to be very important realistic meaning.
Invention content
It is an object of the invention to overcome disadvantage mentioned above, a kind of inexpensive, easy-operating temperature for single-storey factory building is provided
Spend monitoring method.
In order to solve the above technical problems, the present invention provides a kind of temperature monitoring methods for single-storey factory building, including with
Lower step：
(1) modeling parameters of single-storey factory building are extracted, and are divided into three classes to modeling parameters；
(2) parameter finite element model of single-storey factory building is established；
(3) practical to measure preset temperature measured value；
(4) optimization model is established, and solves optimization model；
(5) power consumption parametric optimal solution and temperature field optimal solution are exported.
Specifically, three classes modeling parameters refer in step (1)：Dynamic parameter, heat consumption parameter and static parameter；Dynamic parameter
Value is only effective to current state, including：Air outlet ventilation quantity and environment temperature, are expressed as with vector form：P= (P 1, P 2, …
, P m )；Heat consumption parameter is the heat consumption of equipment in single-storey factory building, is expressed as with vector form：X= (X 1, X 2,…, X i ,…,X n ),X i Occurrence it is unknown,X i Value range up-and-down boundary be respectivelyX i L , X i U ；Static parameter is except dynamic parameterPAnd heat
Consume parameterXOther modeling parameters in addition.
Specifically, the output of parameter finite element model is simulated temperature field in step (2), is represented by vector form：T
= (T 1, T 2,…,T i ,…,T k ),TAny component can be write as the function of dynamic parameter and power consumption parameterT i (X,P),T i It indicates
To arbitrarily choosing monitoring point in the single-storey factory building.TIn element be divided into two groups：Preset temperature simulation value and other temperature
Simulation value can be write as two vector forms respectively：T A = (T 1, T 2,…,T a ) andT B = (T 1, T 2,…,T b )；Preset refers to
The location point of adjacent equipment, preset number in the selection monitoring pointaIt should be greater than the heat consumption number of parametersn。
Specifically, preset temperature measured value can be write as vector form in step (3)：
T A test = (T 1 ', T 2 ',…, T A ' )。
Specifically, optimization model includes design variable, design object and design constraint in step (4)；Design variable
For power consumption parameter vectorX= (X 1, X 2,…, X i ,…, X n )；Object function is preset temperature measured value and preset temperature
The mould of vector difference, can be write as between degree simulation valuef =‖T A - T A test ‖；Design constraint is design variableX i It should be in value range
It is interior；Optimization model can be expressed as：
min X f = ‖T A - T A test ‖
s.t. X i L ≤X i ≤X i U , i=1,2,…,n
Specifically, power consumption parameter optimal solution is to solve optimization model to obtain the optimal solution of design variable in step (5),
It can be write asX * = (X 1 *,X 2 *,…, X n *)；Temperature field optimal solution is willX *Be updated to export after parameter finite element model it is imitative
True temperature field can be write asT * = (T 1 *,T 2 *,…, T i *,…, T n *)；T i *Indicate the temperature calculations of selection monitoring point.
Compared to the prior art, temperature monitoring method provided by the invention has the advantages that：
One, dynamic parameter can be considered in this method, when each ventilation opening coefficient of heat transfer or environment temperature change in workshop
When change, constructed parameter finite element model and optimization model can be quickly adjusted, it is soft to meet to a certain extent
Property factory temperature monitoring requirement.
Two, the system only needs to measure the temperature value of lesser amt point, you can obtains the temperature calculations of all the points, and right
The preset of required measurement does not have particular/special requirement, to which the difficulty and cost of engineering construction be greatly reduced.
Three, optimization model the complying with standard expression form constructed by this method, can be used general computer language
It is programmed, and by calling the criterion calculation tool in business mathematics software to carry out Efficient Solution；Thus this is significantly reduced
The engineer application difficulty of method.
Description of the drawings
Fig. 1 shows a kind of temperature monitoring method flow chart for single-storey factory building of the present invention.
Fig. 2 shows a kind of single-storey factory building schematic diagrames of the present invention.
Marginal data：01, coordinate system 01；02, ventilation opening 11；03, ventilation opening 12；04, ventilation opening 13；05, it divulges information
Mouth 14；06, equipment 21；07, equipment 22；08, equipment 23；09, equipment 24；10, equipment 25；11, equipment 26；12, it sets
Standby 27；13, equipment 28.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, by taking a specific application as an example, is done to the method for the present invention
It is described in further detail.
As Fig. 1 includes the following steps for a kind of temperature monitoring method flow chart for single-storey factory building of the present invention：
S1. the modeling parameters of single-storey factory building are extracted, and are divided into three classes to modeling parameters；
S2. the parameter finite element model of single-storey factory building is established；
S3. practical to measure preset temperature measured value；
S4. optimization model is established, and solves optimization model；
S5. power consumption parametric optimal solution and temperature field optimal solution are exported.
Specifically, three classes modeling parameters described in step S1 refer to：Dynamic parameter, heat consumption parameter and static parameter；Dynamic is joined
Several values is only effective to current state, including：Ventilation opening 11 as shown in Figure 2, ventilation opening 12, ventilation opening 13, ventilation opening 14
Ventilation quantity and environment temperature, are expressed as with vector form：P= (P1, P2, P3, P4, P5)；Heat consumption parameter is as shown in Figure 2
The heat consumption of equipment 21, equipment 22, equipment 23, equipment 24, equipment 25, equipment 26, equipment 27, equipment 28, is indicated with vector form
For：X= (X1, X2,…, Xi ,…, X8)；Static parameter is other modeling ginsengs in addition to dynamic parameter P and heat consumption parameter X
Number.In P known to the value of each element：0.5m3/s、0.2 m3/s、0.5 m3/s、0.2 m3/s、25℃.The occurrence of Xi is unknown；Xi
Value range up-and-down boundary be respectively XiL, XiU, value is as shown in the following chart：
| I | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| X i L (kW) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| X i U (kW) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Specifically, parameter finite element model described in step S2 can be established and solved by business software FLOTHERM,
It is simulated temperature field that it, which is exported,；It is represented by vector form：T= (T 1, T 2,…,T i ,…,T k ),TAny component can be write as
Dynamic parameterPAnd power consumption parameterXFunctionT i (X,P)；T i Indicate the monitoring point to being chosen in single-storey factory building.The selection of monitoring point
Method is：1）Coordinate system 01 is established to single-storey factory building, the total length of three direction x, y, z is respectively：20 meters, 10 meters and 4 meters；2）
1 monitoring point is taken every 2 meters from origin along x and y direction, is taken 1 monitoring point every 1 meter along the directions z, is then distinguished
10,5,4 monitoring points are obtained, are obtained after cross processingk=10 × 5 × 4=200 monitoring points.TIn element be divided into two groups：
Preset temperature simulation value and other temperature simulation values, can be write as two vector forms respectively：T A = (T 1,T 2,…,T a ) andT B
= (T 1, T 2,…,T b )；Preset refers to that equipment 21, equipment 22, equipment 23, equipment are respectively in the monitoring point of selection
24, the top of equipment 25, equipment 26, equipment 27, equipment 28（Y positive directions）And side（Z positive directions）, preset numbera =16。
Specifically, preset temperature measured value can be write as vector form in step S3：T A test = (T 1 ', T 2 ',…, T A '
), specific value is：32.1℃、30.3℃、31.2℃、35.4℃、38.3℃、30.5℃、29.2℃、36.1℃.
Specifically, optimization model includes design variable, design object and design constraint in step S4；Design variable is
Power consumption parameter vectorX= (X 1, X 2,…, X i ,…, X 8 )；Object function is preset temperature measured value and the preset
The mould of vector difference between temperature simulation value, can be write asf =‖T A - T A test ‖；Design constraint is design variableX i It should be taken described
It is worth in range；Optimization model can be expressed as：
min X f=‖T A - T A test ‖
s.t. X i L ≤X i ≤X i U , i=1,2,…,8
Specifically, power consumption parameter optimal solution is that existing genetic algorithm solution optimization model obtains described set in step S5
The optimal solution for counting variable, can be write asX * = (X 1 *,X 2 *,…, X 8 *)；Specifically value is：2.6 kW, 3.3 kW, 0.9 kW,
1.2kW, 8.1kW, 2.8kW, 7.8kW, 3.2kW.Temperature field optimal solution is willX *After being updated to parameter finite element model
The simulated temperature field of output can be obtainedT * = (T 1 *,T 2 *,…, T i *,…, T 100 *)；T i *Indicate the temperature for choosing monitoring point
Spend calculated value.
Compared to the prior art, temperature monitoring method provided by the invention has the advantages that：
One, dynamic parameter can be considered in this method, when each ventilation opening coefficient of heat transfer or environment temperature change in workshop
When change, constructed parameter finite element model and optimization model can be quickly adjusted, it is soft to meet to a certain extent
Property factory temperature monitoring requirement.
Two, this method only needs to measure lesser amt point（16）Temperature value, you can obtain all the points（200）Temperature
Calculated value, and there is no particular/special requirement to the preset of required measurement, to which the difficulty and cost of engineering construction be greatly reduced.
Three, optimization model the complying with standard expression form constructed by this method, can be used general computer language
It is programmed, and by calling the criterion calculation tool in business mathematics software to carry out Efficient Solution；Thus this is significantly reduced
The engineer application difficulty of method.
Claims (6)
1. a kind of temperature monitoring method for single-storey factory building includes the following steps：
(1) modeling parameters of single-storey factory building are extracted, and are divided into three classes to modeling parameters；
(2) parameter finite element model of single-storey factory building is established；
(3) practical to measure preset temperature measured value；
(4) optimization model is established, and solves the optimization model；
(5) power consumption parametric optimal solution and temperature field optimal solution are exported.
2. a kind of temperature monitoring method for single-storey factory building according to claim 1, it is characterised in that：
Three classes modeling parameters refer in the step (1)：Dynamic parameter, heat consumption parameter and static parameter；The value of the dynamic parameter
It is only effective to current state, including：Air outlet ventilation quantity and environment temperature, are expressed as with vector form：P= (P 1, P 2, … ,P m )；The heat consumption parameter is the heat consumption of equipment in single-storey factory building, is expressed as with vector form：X= (X 1, X 2,…, X i ,…,X n ),X i Occurrence it is unknown,X i Value range up-and-down boundary be respectivelyX i L , X i U ；The static parameter is except dynamic parameterP
With heat consumption parameterXOther modeling parameters in addition.
3. a kind of temperature monitoring method for single-storey factory building according to claim 1, it is characterised in that：
The output of parameter finite element model described in the step (2) is simulated temperature field, is represented by vector form：T=
(T 1, T 2,…, T i ,…, T k ),TAny component can be write as the function of the dynamic parameter and the power consumption parameterT i (X, P),T i It indicates to arbitrarily choosing monitoring point in the single-storey factory building；It is describedTIn element be divided into two groups：Preset temperature simulation
Value and other temperature simulation values, can be write as two vector forms respectively：T A = (T 1, T 2,…, T a ) andT B = (T 1,T 2,…, T b )；The preset refers to the location point of the adjacent equipment in the selection monitoring point, the preset numberaIt answers
More than the heat consumption number of parametersn。
4. a kind of temperature monitoring method for single-storey factory building according to claim 1, it is characterised in that：
Preset temperature measured value is write as vector form described in the step (3)：T A test = (T 1 ', T 2 ',…, T A ' )。
5. a kind of temperature monitoring method for single-storey factory building according to claim 1, it is characterised in that：
Optimization model includes design variable, design object and design constraint described in the step (4)；The design variable
For power consumption parameter vectorX= (X 1, X 2,…, X i ,…, X n )；The object function is surveyed for the preset temperature
The mould of vector difference, can be write as between value and the preset temperature simulation valuef =‖T A - T A test ‖；T A test = (T 1 ',T 2 ',…, T A ' ) indicate preset temperature measured value described in the step (3)；The design constraint is the design variableX i It should be in the value range；The optimization model can be expressed as：
min X f =‖T A - T A test ‖
s.t. X i L ≤X i ≤X i U , i=1,2,…,n 。
6. a kind of temperature monitoring method for single-storey factory building according to claim 1, it is characterised in that：
Power consumption parameter optimal solution described in the step (5) is to solve the optimization model to obtain the design variable most
Excellent solution can be write asX * = (X 1 *, X 2 *,…, X n *) ；The temperature field optimal solution is willX *It is updated to the parametrical finite element
The simulated temperature field exported after model, can be write asT * = (T 1 *, T 2 *,…, T i *,…, T n *)；T i *Indicate the selection monitoring
The temperature calculations of point.
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| US20170300599A1 (en) * | 2016-04-18 | 2017-10-19 | University Of Southern California | System and method for calibrating multi-level building energy simulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165899A (en) * | 2013-05-20 | 2014-11-26 | 河海大学 | On-site measurement apparatus and measurement method for thermal diffusivity of mass concrete |
| CN103365212A (en) * | 2013-07-16 | 2013-10-23 | 上海元亘信息科技有限公司 | Greenhouse control method based on CFD numerical simulation |
| CN105159235A (en) * | 2015-01-08 | 2015-12-16 | 北方工业大学 | Comprehensive coordination control method and system for rotary kiln during calcining process |
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Inventor after: Huang Zhiliang Inventor after: Yang Tongguang Inventor after: Deng Shuguang Inventor after: Sun Wende Inventor after: Zhao Zhiguo Inventor after: Zhou Chaolun Inventor before: Huang Zhiliang Inventor before: Yang Tongguang Inventor before: Yuan Yueyang |
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Application publication date: 20180727 Assignee: Hunan Hongyuyun Technology Co.,Ltd. Assignor: Hunan City University Contract record no.: X2022980020754 Denomination of invention: A temperature monitoring method for single storey workshop Granted publication date: 20220301 License type: Exclusive License Record date: 20221109 |
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