CN112682834A - Carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation - Google Patents
Carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation Download PDFInfo
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Abstract
The invention provides a carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation, and relates to the technical field of heat supply. The intelligent heat supply method of the carbon fiber provided by the invention comprises the following steps: step S1, determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure; step S2, dividing the phase change whole duration into N phase change time periods according to the change of the slope of the phase change curve; step S3, dividing the phase change degree into N phase change grades according to the phase change time section division; step S4, detecting the actual volume change of the phase change energy storage material; step S5, comparing the actual volume change with the phase change curve to determine the phase change grade of the phase change energy storage material actually; and S6, intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material. According to the technical scheme, the intelligent control over the carbon fiber heat supply structure can be realized, and a better heat supply effect is achieved.
Description
Technical Field
The invention relates to the technical field of heat supply, in particular to a carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation.
Background
The principle of the phase change energy storage device is that external heat energy is stored in the energy storage device, and long-time storage of heat energy in the energy storage device is achieved through heat preservation of the energy storage device. When the phase change energy storage device needs to be started to provide heat energy for the outside, the heat energy in the energy storage device is transferred to required equipment in a heat transfer mode. At present, a common phase change energy storage system of a phase change energy storage device is used as a heating system. However, in the heating system in the prior art, the phase change energy storage and the heating component are independently controlled, the interaction between the phase change energy storage and the heating component is not reflected, and the intelligent control of the heating system is not realized.
Disclosure of Invention
The invention provides a carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation, which can realize intelligent control on a carbon fiber heat supply structure and achieve a better heat supply effect.
In a first aspect, the invention provides a carbon fiber intelligent heat supply method based on phase change energy storage building envelope heat insulation, which adopts the following technical scheme:
the carbon fiber intelligent heat supply method based on the phase change energy storage building envelope heat insulation comprises the following steps:
step S1, determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure structure, wherein the phase change curve is used for showing the relation between the volume change of the phase change energy storage material and the phase change time at a preset temperature;
step S2, dividing the phase change whole duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2;
step S3, dividing the phase change degree into N phase change grades according to the phase change time section division, wherein the 1 st to the Nth phase change time sections respectively correspond to the first to the Nth phase change grades;
step S4, detecting the actual volume change of the phase change energy storage material;
step S5, comparing the actual volume change quantity with the phase change curve, and determining the actual phase change grade of the phase change energy storage material;
and S6, intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
Optionally, the intelligent carbon fiber heat supply method based on the phase change energy storage envelope structure heat insulation further includes, before step S1, constructing a database of a plurality of phase change curves, where different phase change curves are used to indicate a relationship between a volume change amount of the phase change energy storage material and a phase change time at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house;
step S1 specifically includes: and determining a corresponding phase change curve according to the actual environment temperature of the phase change energy storage material.
Optionally, step S2 specifically includes: determining a catastrophe point of the slope of the phase change curve, and dividing the catastrophe point into different phase change time periods; and determining the number of the mutation points according to the phase change curve.
Optionally, the phase change energy storage material is sealed inside the elastic coating film, the elastic coating film is provided with a deformation sensor, and step S4 specifically includes: and detecting the elastic deformation degree of the elastic coating film through the deformation sensor, and determining the actual volume change of the phase change energy storage material according to the elastic deformation degree.
Optionally, the phase change energy storage material is sealed inside the accommodating cavity, a phase change space is reserved on the upper portion of the accommodating cavity, a position sensor is installed at the top of the accommodating cavity, and the step S4 specifically includes: and detecting the vertical distance between the top of the phase change energy storage material and the top of the accommodating cavity through the position sensor, and determining the actual volume change of the phase change energy storage material according to the vertical distance.
Optionally, the step S6 specifically includes the steps of dividing the entire duration of phase change into 3 phase change time periods, and dividing the degree of phase change into 3 phase change levels: the phase change grade of the phase change energy storage material is a first phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually increased; the phase change grade of the phase change energy storage material is a second phase change grade, and the heat supply power of the carbon fiber heat supply structure is maintained; the phase change grade of the phase change energy storage material is a third phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually reduced.
Optionally, the phase change energy storage envelope heat insulation-based carbon fiber intelligent heat supply method further includes: outdoor temperature and illumination intensity are obtained in real time, and heat supply of the carbon fiber heat supply structure is intelligently adjusted according to the outdoor temperature and the illumination intensity.
In a second aspect, the invention provides a carbon fiber intelligent heating system based on phase change energy storage building envelope heat insulation, which adopts the following technical scheme:
carbon fiber wisdom heating system based on phase change energy storage envelope is thermal-insulated, including phase change energy storage envelope, carbon fiber heating structure and thermal-insulated structure, carbon fiber heating structure includes a plurality of carbon fiber heat supply units to be located heating house ground below, phase change energy storage envelope is enclosed in heating house outside, thermal-insulated structure is located phase change energy storage envelope is outside, carbon fiber wisdom heating system based on phase change energy storage envelope is thermal-insulated still includes:
the phase change curve acquisition module is used for determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure structure, and the phase change curve is used for representing the relation between the volume change quantity and the phase change time of the phase change energy storage material at a preset temperature;
the time period dividing module is used for dividing the whole phase change duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2;
the phase change degree dividing module is used for dividing the phase change degree into N phase change grades according to the phase change time period division, wherein the 1 st phase change time period to the Nth phase change time period respectively correspond to the first phase change grade to the Nth phase change grade;
the volume change detection module is used for detecting the actual volume change of the phase change energy storage material;
the phase change grade determining module is used for comparing the actual volume change with the phase change curve and determining the actual phase change grade of the phase change energy storage material;
and the intelligent control module is used for intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
Optionally, in the phase change energy storage enclosure structure, the phase change energy storage material is sealed inside the elastic coating film, or the phase change energy storage material is sealed inside the accommodating cavity, a phase change space is reserved on the upper portion of the accommodating cavity, and a position sensor is installed at the top of the accommodating cavity.
Optionally, based on thermal-insulated carbon fiber wisdom heating system of phase change energy storage envelope still includes: the database construction module is used for constructing a database of a plurality of phase change curves, and different phase change curves are used for representing the relationship between the volume change quantity and the phase change time of the phase change energy storage material at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house;
the phase change curve acquisition module is further used for selecting a corresponding phase change curve from the database according to the actual environment temperature of the phase change energy storage material.
The invention provides a carbon fiber intelligent heat supply method based on phase change energy storage space enclosing structure heat insulation, which is characterized in that in the process of using the carbon fiber intelligent heat supply method for supplying heat, a phase change curve of a phase change energy storage material in the phase change energy storage space enclosing structure is determined, the whole duration time of phase change is divided into N phase change time periods according to the change of the slope of the phase change curve, the phase change degree is further divided into N phase change grades, the actual volume change quantity of the phase change energy storage material is detected and compared with the phase change curve, the phase change grade of the phase change energy storage material is determined, finally, the heat supply of a carbon fiber heat supply structure is intelligently controlled according to the phase change grade of the phase change energy storage material, therefore, in the process of controlling the heat supply of the carbon fiber heat supply structure, the energy storage characteristic of the phase change energy storage material and the influence of the, and then can realize reaching better heating effect to the wisdom control of carbon fiber heat supply structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a method for intelligent heat supply of carbon fiber according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a phase change curve according to an embodiment of the present invention;
fig. 3 is a first schematic diagram of a phase change energy storage envelope provided in an embodiment of the present invention;
fig. 4 is a second schematic diagram of the phase change energy storage envelope provided in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a heating house according to an embodiment of the present invention;
fig. 6 is a schematic view of a carbon fiber intelligent heating system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the technical features in the embodiments of the present invention may be combined with each other without conflict.
The embodiment of the invention provides a carbon fiber intelligent heat supply method based on phase change energy storage building enclosure heat insulation (hereinafter referred to as a carbon fiber intelligent heat supply method), and particularly, as shown in fig. 1, fig. 1 is a flow chart of the carbon fiber intelligent heat supply method provided by the embodiment of the invention, and the carbon fiber intelligent heat supply method comprises the following steps:
and S1, determining a phase change curve of the phase change energy storage material in the phase change energy storage enclosure structure, wherein the phase change curve is used for showing the relation between the volume change of the phase change energy storage material and the phase change time at a preset temperature.
The phase change curve of the phase change energy storage material in the phase change energy storage enclosure structure can be determined through experiments, for example, at the preset temperature, the melting process of the phase change energy storage material in a solid phase is recorded, a plurality of time points are selected in the melting process, the volume change amount corresponding to each time point is recorded respectively, and the phase change curve is drawn. Fig. 2 is a schematic diagram of a phase change curve according to an embodiment of the present invention, in which the abscissa of fig. 2 is time t and the ordinate is volume change Δ V.
Considering that the phase change process has a certain difference when the phase change energy storage material is at different initial temperatures and different environmental temperatures (i.e., the preset temperatures), in order to further improve the control accuracy of the intelligent carbon fiber heat supply method, the intelligent carbon fiber heat supply method according to the embodiment of the present invention further includes, before step S1, constructing a database of a plurality of phase change curves, where different phase change curves are used to indicate the relationship between the volume change amount and the phase change time of the phase change energy storage material at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house. For example, the room temperature of a heating house is 10 ℃ to 25 ℃, and the preset temperature can be 10 ℃, 12 ℃, 14 ℃, 16 ℃, 18 ℃, 20 ℃, 22 ℃ or 25 ℃. Each phase change curve in the database can be determined in the manner described above, and will not be described herein again.
In this case, when step S1 is executed, a corresponding phase change curve may be determined according to the actual ambient temperature of the phase change energy storage material, that is, a phase change curve corresponding to a preset temperature that is the same as the ambient temperature is selected according to the actual ambient temperature of the phase change energy storage material, and is used as the phase change curve in the subsequent step.
And step S2, dividing the phase change whole duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2.
Optionally, in this embodiment of the present invention, step S2 specifically includes: determining a catastrophe point of the slope of the phase change curve, and dividing the catastrophe point into different phase change time periods; and determining the number of the mutation points according to the phase change curve. In particular, the slopes of the different positions of the phase change curve may be determined by calculation, and the abrupt point of the slope of the phase change curve means that the difference between the slopes of two adjacent positions of the phase change curve exceeds a critical value. In the example shown in fig. 2, the points a and B are abrupt points, and the entire duration of the phase change is divided into 3 time segments, the 1 st phase change time segment, the 2 nd phase change time segment and the 3 rd phase change time segment, with the point corresponding time of the points a and B as a boundary.
Step S3, dividing the phase change degree into N phase change levels according to the phase change time period division, wherein the 1 st to nth phase change time periods respectively correspond to the first to nth phase change levels.
In the example shown in fig. 2, the phase change period is divided into 3 periods, and therefore, the degree of phase change is divided into 3 phase change levels according to this division, the first phase change level corresponding to the 1 st phase change period, the second phase change level corresponding to the 2 nd phase change period, and the third phase change level corresponding to the 3 rd phase change period, and the volume change amount is fastest to increase with time at the first phase change level; at a second phase change level, the volume change increases faster over time; at the third phase change level, the volume change amount increases slowly with time.
And step S4, detecting the actual volume change of the phase change energy storage material.
The mode of detecting the actual volume change of the phase change energy storage material can be various, and the mode can be selected reasonably according to the specific structure of the phase change energy storage enclosure structure.
In an example, as shown in fig. 3, fig. 3 is a schematic diagram of a phase change energy storage enclosure according to an embodiment of the present invention, in the phase change energy storage enclosure 2, a phase change energy storage material 22 is sealed inside an elastic coating film 21, and a deformation sensor 23 is disposed on the elastic coating film 21. On the basis of the phase change energy storage envelope 2, the step S4 specifically includes, in the embodiment of the present invention: the elastic deformation degree of the elastic coating film is detected through the deformation sensor, and the actual volume change of the phase change energy storage material is determined according to the elastic deformation degree. The larger the elastic deformation degree of the elastic coating film 21 is, the larger the actual volume V1 of the phase change energy storage material 22 is, and the actual volume change Δ V1 of the phase change energy storage material can be obtained by subtracting the initial volume V0 of the phase change energy storage material 22 from the actual volume V1.
In another example, as shown in fig. 4, fig. 4 is a schematic diagram of a phase change energy storage enclosure 2 according to an embodiment of the present invention, in which a phase change energy storage material 22 is sealed inside a containing cavity 24, a phase change space is reserved at an upper portion of the containing cavity 24, and a position sensor 25 is installed at a top of the containing cavity 24. On the basis of the phase change energy storage envelope 2, the step S4 specifically includes, in the embodiment of the present invention: and detecting the vertical distance between the top of the phase change energy storage material and the top of the accommodating cavity through a position sensor, and determining the actual volume change of the phase change energy storage material according to the vertical distance. The smaller the vertical distance between the top of the phase change energy storage material and the top of the accommodating cavity is, the larger the actual volume V1 of the phase change energy storage material 22 is, and the actual volume change Δ V1 of the phase change energy storage material can be obtained by subtracting the initial volume V0 of the phase change energy storage material 22 from the actual volume V1.
And step S5, comparing the actual volume change with the phase change curve to determine the phase change grade of the phase change energy storage material.
Specifically, the actual volume change is taken as a longitudinal coordinate value, a point corresponding to the longitudinal coordinate value is searched in a phase change curve and is located at the Xth phase change time period, X is greater than or equal to 1 and smaller than or equal to N, and then the phase change grade where the phase change energy storage material is actually located is determined to be the Xth phase change grade.
And S6, intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
The higher the phase change grade of the phase change energy storage material is actually positioned, the smaller the volume change amount in unit time is, and the less heat is absorbed in unit time, so that the heat supply power of the carbon fiber heat supply structure is reduced along with the increase of the phase change grade of the phase change energy storage material is actually positioned.
Taking fig. 2 as an example, the whole duration of phase change is divided into 3 phase change time periods, and the degree of phase change is divided into 3 phase change levels, in the embodiment of the present invention, step S6 specifically includes: the phase change grade of the phase change energy storage material is a first phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually increased; the phase change grade of the phase change energy storage material is a second phase change grade, and the heat supply power of the carbon fiber heat supply structure is kept; the phase change grade of the phase change energy storage material is a third phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually reduced.
In addition, the intelligent heat supply method of the carbon fiber in the embodiment of the invention further comprises the following steps: outdoor temperature and illumination intensity are obtained in real time, and heat supply of the carbon fiber heat supply structure is intelligently adjusted according to the outdoor temperature and the illumination intensity. Specifically, when the outdoor temperature is higher and/or the illumination intensity is higher, the heat supply power of the carbon fiber heat supply structure is reduced. The higher temperature or the higher illumination intensity can be determined by taking the average winter temperature and the average winter illumination intensity of the heating house as standards.
The embodiment of the invention provides a carbon fiber intelligent heat supply method, in the process of using the heat supply method to supply heat, the phase change curve of a phase change energy storage material in a phase change energy storage enclosure structure is determined, the whole duration time of phase change is divided into N phase change time periods according to the change of the slope of the phase change curve, the phase change degree is further divided into N phase change grades, the actual volume change quantity of the phase change energy storage material is detected and compared with the phase change curve, the phase change grade of the phase change energy storage material is determined, finally, the heat supply of a carbon fiber heat supply structure is intelligently controlled according to the phase change grade of the phase change energy storage material, therefore, in the process of controlling the heat supply of the heat supply carbon fiber structure, the influence of the energy storage characteristic and the energy storage degree of the phase change energy storage material on the heat supply result is reflected, and the intelligent control of the carbon fiber heat supply, achieving better heat supply effect.
In addition, the present invention provides a carbon fiber intelligent heating system based on phase change energy storage envelope heat insulation (hereinafter referred to as carbon fiber intelligent heating system), specifically, as shown in fig. 5 and fig. 6, fig. 5 is a schematic structural diagram of a heating house provided by an embodiment of the present invention, fig. 6 is a schematic structural diagram of a carbon fiber intelligent heating system provided by an embodiment of the present invention, the carbon fiber intelligent heating system in the embodiment of the present invention includes a carbon fiber heating structure 1, a phase change energy storage envelope 2 and a heat insulation structure 3, the carbon fiber heating structure 1 includes a plurality of carbon fiber heating units and is located below the ground of the heating house, the phase change energy storage envelope 2 is enclosed outside the heating house, the heat insulation structure 3 is located outside the phase change energy storage envelope 2, the carbon fiber intelligent heating system further includes:
the phase change curve acquisition module is used for determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure structure, and the phase change curve is used for representing the relation between the volume change quantity and the phase change time of the phase change energy storage material at a preset temperature;
the time period dividing module is used for dividing the whole phase change duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2;
the phase change degree dividing module is used for dividing the phase change degree into N phase change grades according to phase change time period division, wherein the 1 st phase change time period to the Nth phase change time period respectively correspond to the first phase change grade to the Nth phase change grade;
the volume change detection module is used for detecting the actual volume change of the phase change energy storage material;
the phase change grade determining module is used for comparing the actual volume change with the phase change curve and determining the actual phase change grade of the phase change energy storage material;
and the intelligent control module is used for intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
Optionally, in the embodiment of the present invention, as shown in fig. 3, in the phase change energy storage enclosure 2, the phase change energy storage material 22 is sealed inside the elastic coating film 21, and the elastic coating film 21 is provided with the deformation sensor 23, or, as shown in fig. 4, the phase change energy storage material 22 is sealed inside the accommodating cavity 24, a phase change space is reserved at an upper portion of the accommodating cavity 24, and the top of the accommodating cavity 24 is provided with the position sensor 25.
Optionally, in an embodiment of the present invention, the carbon fiber intelligent heating system further includes: the database construction module is used for constructing a database of a plurality of phase change curves, and different phase change curves are used for expressing the relationship between the volume variation of the phase change energy storage material and the phase change time at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house; the phase change curve acquisition module is further used for selecting a corresponding phase change curve from the database according to the actual environment temperature of the phase change energy storage material.
In addition, the carbon fiber intelligent heating system in the embodiment of the invention further comprises: outdoor temperature sensor and illumination sensor, outdoor temperature sensor and illumination sensor all are connected with intelligent control module, and intelligent control module still is used for according to outdoor temperature and illumination intensity intelligent regulation carbon fiber heat supply structure heat supply.
The heat reflection plate can be arranged between the heat insulation structure 3 and the phase change energy storage enclosure structure 2 in the embodiment of the invention, and the heat reflection plate can further reduce the heat dissipation of a heating house.
It should be noted that, in the embodiment of the present invention, each specific content mentioned in the carbon fiber intelligent heat supply method is applicable to a corresponding module in the carbon fiber intelligent heat supply system, and is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a thermal-insulated carbon fiber wisdom heat supply method based on phase change energy storage envelope which characterized in that includes:
step S1, determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure structure, wherein the phase change curve is used for showing the relation between the volume change of the phase change energy storage material and the phase change time at a preset temperature;
step S2, dividing the phase change whole duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2;
step S3, dividing the phase change degree into N phase change grades according to the phase change time section division, wherein the 1 st to the Nth phase change time sections respectively correspond to the first to the Nth phase change grades;
step S4, detecting the actual volume change of the phase change energy storage material;
step S5, comparing the actual volume change quantity with the phase change curve, and determining the actual phase change grade of the phase change energy storage material;
and S6, intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
2. The intelligent carbon fiber heating method based on the phase-change energy storage envelope structure heat insulation of claim 1, further comprising, before the step S1, constructing a database of a plurality of phase-change curves, wherein different phase-change curves are used for representing the relationship between the volume change amount and the phase-change time of the phase-change energy storage material at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house;
step S1 specifically includes: and determining a corresponding phase change curve according to the actual environment temperature of the phase change energy storage material.
3. The intelligent carbon fiber heating method based on the phase-change energy storage envelope insulation of claim 1, wherein the step S2 specifically comprises: determining a catastrophe point of the slope of the phase change curve, and dividing the catastrophe point into different phase change time periods; and determining the number of the mutation points according to the phase change curve.
4. The intelligent carbon fiber heating method based on the phase-change energy storage envelope structure heat insulation of claim 1, wherein the phase-change energy storage material is sealed inside an elastic coating film, a deformation sensor is arranged on the elastic coating film, and the step S4 specifically includes: and detecting the elastic deformation degree of the elastic coating film through the deformation sensor, and determining the actual volume change of the phase change energy storage material according to the elastic deformation degree.
5. The intelligent carbon fiber heating method based on the phase-change energy storage envelope structure heat insulation of claim 1, wherein the phase-change energy storage material is sealed inside the accommodating cavity, a phase-change space is reserved at the upper part of the accommodating cavity, a position sensor is installed at the top of the accommodating cavity, and the step S4 specifically includes: and detecting the vertical distance between the top of the phase change energy storage material and the top of the accommodating cavity through the position sensor, and determining the actual volume change of the phase change energy storage material according to the vertical distance.
6. The intelligent carbon fiber heating method based on the phase-change energy storage envelope insulation of claim 1, wherein the phase-change whole duration is divided into 3 phase-change time periods, and the phase-change degree is divided into 3 phase-change grades, and the step S6 specifically comprises: the phase change grade of the phase change energy storage material is a first phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually increased; the phase change grade of the phase change energy storage material is a second phase change grade, and the heat supply power of the carbon fiber heat supply structure is maintained; the phase change grade of the phase change energy storage material is a third phase change grade, and the heat supply power of the carbon fiber heat supply structure is gradually reduced.
7. The intelligent carbon fiber heat supply method based on the phase change energy storage envelope heat insulation of any one of claims 1 to 6, further comprising: outdoor temperature and illumination intensity are obtained in real time, and heat supply of the carbon fiber heat supply structure is intelligently adjusted according to the outdoor temperature and the illumination intensity.
8. The utility model provides a carbon fiber wisdom heating system based on phase change energy storage envelope is thermal-insulated, includes phase change energy storage envelope, carbon fiber heating structure and thermal-insulated structure, carbon fiber heating structure includes a plurality of carbon fiber heating units to be located heating house ground below, phase change energy storage envelope is enclosed in heating house outside, thermal-insulated structure is located phase change energy storage envelope is outside, its characterized in that, carbon fiber wisdom heating system based on phase change energy storage envelope is thermal-insulated still includes:
the phase change curve acquisition module is used for determining a phase change curve of a phase change energy storage material in the phase change energy storage enclosure structure, and the phase change curve is used for representing the relation between the volume change quantity and the phase change time of the phase change energy storage material at a preset temperature;
the time period dividing module is used for dividing the whole phase change duration into N phase change time periods according to the change of the slope of the phase change curve, wherein N is a positive integer greater than or equal to 2;
the phase change degree dividing module is used for dividing the phase change degree into N phase change grades according to the phase change time period division, wherein the 1 st phase change time period to the Nth phase change time period respectively correspond to the first phase change grade to the Nth phase change grade;
the volume change detection module is used for detecting the actual volume change of the phase change energy storage material;
the phase change grade determining module is used for comparing the actual volume change with the phase change curve and determining the actual phase change grade of the phase change energy storage material;
and the intelligent control module is used for intelligently controlling the heat supply of the carbon fiber heat supply structure according to the actual phase change grade of the phase change energy storage material.
9. The heat-insulation carbon fiber intelligent heating system based on the phase-change energy storage enclosure structure as claimed in claim 8, wherein in the phase-change energy storage enclosure structure, the phase-change energy storage material is sealed inside an elastic coating film, a deformation sensor is arranged on the elastic coating film, or the phase-change energy storage material is sealed inside a containing cavity, a phase-change space is reserved at the upper part of the containing cavity, and a position sensor is arranged at the top of the containing cavity.
10. The phase change energy storage envelope based on thermal insulation carbon fiber wisdom heating system of claim 8 or 9, characterized by, further includes: the database construction module is used for constructing a database of a plurality of phase change curves, and different phase change curves are used for representing the relationship between the volume change quantity and the phase change time of the phase change energy storage material at different preset temperatures; wherein the different preset temperatures are a plurality of temperature values within the room temperature range of the heating house;
the phase change curve acquisition module is further used for selecting a corresponding phase change curve from the database according to the actual environment temperature of the phase change energy storage material.
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Cited By (2)
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| CN113983526A (en) * | 2021-11-19 | 2022-01-28 | 北京嘉洁能科技股份有限公司 | Electric heater heating system and method based on phase change energy storage enclosure structure heat insulation |
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