CN110793095A - Carbon fiber intelligent heat supply method and system based on phase change heat storage building envelope heat insulation - Google Patents
Carbon fiber intelligent heat supply method and system based on phase change heat storage building envelope heat insulation Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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Abstract
The invention provides a carbon fiber intelligent heat supply method and system based on phase-change heat storage building enclosure heat insulation. According to the invention, a multi-layer carbon fiber heat supply unit and a phase change heat storage technology are adopted, and the carbon fiber heat supply technology, the phase change heat storage technology and the intelligent control technology are combined through the intelligent control of the novel carbon fiber controller aiming at the building envelope.
Description
Technical Field
The invention relates to the field of heat supply and energy conservation, in particular to a carbon fiber intelligent heat supply method and system based on phase change heat storage building envelope heat insulation.
Background
With the development of economy, the living standard of people is improved, the demand of society on electric energy is continuously increased, particularly, the peak-valley difference of each large power grid is gradually increased, a large amount of electric power loss is caused due to low power consumption at night, various valley electricity price policies are disputed by governments in various regions, electricity consumption of users in the valley period is attracted by changing the electricity price in the valley period, the electric power loss is reduced, the electric power load in the peak period is reduced, and the purposes of peak clipping, valley filling, peak load adjusting and capacity expanding are achieved. Therefore, the electric energy is used for heating, so that the valley electricity can be fully utilized, the loss of the electric power can be reduced, and the economical heating can be realized.
In traditional central heating, heating is carried out by adopting a unified pipeline, and the heat distribution is uneven due to the difference of house structures. In the same building, because the heat dissipation is fast, the heating temperature often does not reach the standard for the side household, the top household and the like, and the temperature of the middle household, the sunny household and the like is too high, the phenomenon of heat release by windowing often occurs, so that a great amount of energy is wasted. The traditional heat supply and heat storage can not realize accurate quantitative control, so if the energy-saving heating is better realized, the technical problem to be solved urgently by technical personnel in the field is solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a carbon fiber intelligent heat supply method and system based on phase change heat storage building envelope heat insulation.
The invention provides a carbon fiber intelligent heat supply method based on phase change heat storage building enclosure heat insulation, wherein a carbon fiber intelligent heat supply system comprises a carbon fiber heat supply unit, a heat storage unit, a heat preservation unit and an intelligent control unit, the heat preservation unit comprises a building enclosure space formed by a plurality of building enclosures, heat insulation coatings are coated on the plurality of building enclosures of the building enclosure space, the intelligent control unit comprises a carbon fiber collector and a carbon fiber controller, the heat storage unit is a phase change heat storage layer, the phase change heat storage layer is formed by mixing concrete and phase change material particles, the carbon fiber controller is connected with the carbon fiber heat supply unit, the carbon fiber collector is connected with the carbon fiber controller, the carbon fiber collector collects working parameters of the carbon fiber heat supply unit through the carbon fiber controller, and the carbon fiber heat supply unit comprises a carbon fiber heating layer formed by carbon fiber wires, a carbon fiber heating layer, A ground shield module, reflection stratum for ground shield, the thermal insulation layer that is used for thermal-insulated, the carbon fiber heating layer sets up in the phase-change heat storage layer or set up below the phase-change heat storage layer and with phase-change heat storage layer in close contact with, the reflection stratum the heat insulation layer is located phase-change heat storage layer with the lower part on carbon fiber heating layer, the reflection stratum will phase-change heat storage layer with the heat of carbon fiber heating layer upwards reflects so as to prevent the heat from scattering and disappearing downwards, ground shield module connects carbon fiber heating layer and ground protection, the reflection stratum is in on the heat insulation layer, phase-change heat storage layer absorbs carbon fiber heating layer's heat forms sensible heat and phase-change latent heat and carries out the storage, carbon fiber controller sets up each area that the heat supply needs in advance and the average heat transfer coefficient that each face corresponds, the method comprises the following steps:
obtaining the temperature: setting an average temperature t1 required to be maintained for heat supply, and acquiring an outdoor daily average temperature t2 of the next day;
acquiring the heat consumption of the space of the building enclosure: acquiring the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating;
heat storage: controlling the carbon fiber heating layer to heat to form sensible heat and latent phase change heat for heat storage according to the heat consumption Q and the heating power W of the carbon fiber heating layer in the heat storage time period;
intelligent heat supply: and adjusting the heat supply according to the set heat supply required maintaining temperature t1 and the real-time temperature t5 of heat supply when heat is released through heat storage of the phase-change heat storage layer, and if the real-time temperature t5 of heat supply is less than the set maintaining temperature t1 of heat supply, controlling the carbon fiber controller to heat the carbon fiber heat generating layer to supplement the heat supply.
As a further development of the invention, the heat consumption Q also comprises the removal of heat gained by the space.
As a further improvement of the invention, the heat consumption Q also comprises one or more of heat loss of space heat transfer and heat loss of air ventilation.
As a further improvement of the invention, the heat loss of the space heat transfer is determined according to the area of the heat transfer surface, the temperature of the two surfaces of the heat transfer surface and the heat transfer coefficient.
The invention provides a carbon fiber intelligent heating system based on phase change heat storage building envelope heat insulation, which comprises a carbon fiber heating unit, a heat storage unit, a heat preservation unit and an intelligent control unit, wherein the heat preservation unit comprises a building envelope space formed by a plurality of building envelopes, heat insulation paint is coated on the plurality of building envelopes of the building envelope space, the intelligent control unit comprises a carbon fiber collector and a carbon fiber controller, the heat storage unit is a phase change heat storage layer, the phase change heat storage layer is formed by mixing concrete and phase change material particles, the carbon fiber controller is connected with the carbon fiber heating unit, the carbon fiber collector is connected with the carbon fiber controller, the carbon fiber collector collects working parameters of the carbon fiber heating unit through the carbon fiber controller, and the carbon fiber heating unit comprises a carbon fiber heating layer formed by carbon fiber wires, A ground shield module, the thermal reflection stratum of reflection for ground shield, be used for thermal-insulated heat insulation layer, the carbon fiber layer that generates heat sets up in the phase change heat storage layer or set up below the phase change heat storage layer and with phase change heat storage layer in close contact with, the reflection stratum the heat insulation layer is located phase change heat storage layer with the lower part on carbon fiber layer that generates heat, the reflection stratum will phase change heat storage layer with the heat on carbon fiber layer that generates heat upwards reflects in order to prevent the heat to scatter and disappear downwards, ground shield module connects carbon fiber layer and ground protection that generates heat, the reflection stratum is in on the heat insulation layer, phase change heat storage layer absorbs carbon fiber layer's heat formation sensible heat and phase change latent heat are stored, carbon fiber controller is including setting up the module, obtaining the outdoor temperature of outdoor day average temperature module, The intelligent heat supply module and the heat consumption acquisition module, the setting module sets the heat supply keeping temperature t1 and the heat storage time period, the outdoor temperature acquisition module acquires the average outdoor daily temperature t2 of the next day, the heat consumption acquisition module acquires the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating, the carbon fiber controller controls the carbon fiber heating layer to heat to form sensible heat and phase change latent heat for heat storage according to the heat consumption Q and the heating power W of the carbon fiber heating layer in the heat storage time period, the intelligent heat supply module is used for controlling the carbon fiber heating layer to generate heat to supplement heat supply if the real-time temperature t5 of heat supply is less than the set holding temperature t1 of heat supply according to the holding temperature t1 of heat supply requirement and the real-time temperature t5 of heat release through heat storage.
As a further improvement of the present invention, the ground shielding module is a ground shielding layer, and the ground shielding layer is disposed between the reflective layer and the carbon fiber heating layer.
As a further improvement of the invention, the carbon fiber heating layer is embedded in the phase-change heat storage layer or clings to the bottom surface of the phase-change heat storage layer.
As a further improvement of the invention, the reflective layer is a reflective coating, and the reflective coating is coated on the heat insulating layer; or the reflecting layer is a metal reflecting layer, and the metal reflecting layer is arranged on the heat insulating layer.
As a further improvement of the invention, the carbon fiber collector further comprises an outdoor temperature sensor for sensing outdoor environment temperature, the carbon fiber collector is communicated with the outdoor temperature sensor and the carbon fiber controller through a LoRa wireless communication unit, the communication between the carbon fiber collector and the carbon fiber controller adopts a call answering mode, and the communication between the carbon fiber collector and the outdoor temperature sensor adopts a call answering mode.
As a further improvement of the invention, an expansion joint is arranged in the phase change heat storage layer.
The invention has the beneficial effects that: the utility model provides a carbon fiber wisdom heat supply method and system based on phase change heat storage envelope is thermal-insulated, carbon fiber wisdom heat supply system includes carbon fiber heat supply unit, heat accumulation unit, heat preservation unit, wisdom the control unit, the heat preservation unit is including the envelope space that possesses multiaspect envelope formation, the multiaspect envelope in envelope space all coats thermal-insulated coating, wisdom the control unit includes carbon fiber collector, carbon fiber controller, the heat accumulation unit is the phase change heat accumulation layer, the phase change heat accumulation layer is mixed by concrete and phase change material granule and is formed, carbon fiber controller connects carbon fiber heat supply unit, carbon fiber collector with carbon fiber controller connects, carbon fiber collector passes through carbon fiber controller gathers carbon fiber heat supply unit's working parameter, carbon fiber heat supply unit includes carbon fiber heating layer, the carbon fiber heating layer that the carbon fiber line formed, A ground shield module, the thermal reflection stratum of reflection for ground shield, be used for thermal-insulated heat insulation layer, the carbon fiber generates heat the layer setting and is in the phase change heat storage layer or set up below the phase change heat storage layer and with phase change heat storage layer in close contact with, the reflection stratum the heat insulation layer is located phase change heat storage layer with the lower part on carbon fiber heat storage layer, the reflection stratum will phase change heat storage layer with the heat on carbon fiber heat storage layer upwards reflects in order to prevent that the heat scatters downwards, ground shield module connects carbon fiber heat storage layer and ground protection, the reflection stratum is in on the heat insulation layer, phase change heat storage layer absorbs carbon fiber heat generation layer's heat formation sensible heat and phase change latent heat are stored, including following step:
setting an average temperature t1 required to be maintained for heat supply, and acquiring an outdoor daily average temperature t2 of the next day;
acquiring the heat consumption of the space of the building enclosure: acquiring the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating;
heat storage: controlling the carbon fiber heating layer to heat to form sensible heat and latent phase change heat for heat storage according to the heat consumption Q and the heating power W of the carbon fiber heating layer in the heat storage time period;
intelligent heat supply: and adjusting the heat supply according to the set heat supply required maintaining temperature t1 and the real-time temperature t5 of heat supply when heat is released through heat storage of the phase-change heat storage layer, and if the real-time temperature t5 of heat supply is less than the set maintaining temperature t1 of heat supply, controlling the carbon fiber controller to heat the carbon fiber heat generating layer to supplement the heat supply.
According to the invention, a multi-level carbon fiber heat supply unit and a phase change heat storage technology are adopted, the carbon fiber heat supply technology, the phase change heat storage technology and the intelligent control technology are combined through intelligent control of the novel carbon fiber controller, the phase change heat storage can keep small temperature change in the heat storage process, meanwhile, the heat release can be slowly carried out, in addition, accurate phase change heat storage and heat supply control are realized, the phase change heat storage is carried out in a selected time period, the advantage of peak-valley electricity price is utilized, and the cost is saved.
Drawings
FIG. 1 is a schematic view of a carbon fiber intelligent heating system according to the present invention.
FIG. 2 is a schematic diagram of an intelligent control unit according to the present invention.
Fig. 3 is a schematic view of a carbon fiber heating unit of the present invention.
Fig. 4 is a schematic structural diagram of the carbon fiber controller of the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the embodiment of the present invention is: the intelligent carbon fiber heat supply method based on phase change heat storage building envelope heat insulation comprises a carbon fiber heat supply unit 105, a heat storage unit 33, a heat preservation unit 22 and an intelligent control unit 11, wherein the heat preservation unit 22 comprises a building envelope space formed by a plurality of building envelopes, heat insulation coatings are coated on the plurality of building envelopes of the building envelope space, the intelligent control unit 11 comprises a carbon fiber collector 102 and a carbon fiber controller 104, the heat storage unit 33 is a phase change heat storage layer 5, the phase change heat storage layer 5 is formed by mixing concrete and phase change material particles, the carbon fiber controller 104 is connected with the carbon fiber heat supply unit 105, the carbon fiber collector 102 is connected with the carbon fiber controller 104, the carbon fiber collector 102 collects working parameters of the carbon fiber heat supply unit 105 through the carbon fiber controller 104, the carbon fiber heat supply unit 105 includes a carbon fiber heat generating layer 4 formed by a carbon fiber wire, a ground shielding module 3 for ground shielding, a reflecting layer 2 for reflecting heat, and a heat insulating layer 1 for heat insulation, the phase change heat storage layer 5 is formed by mixing concrete and phase change material particles, the carbon fiber heat generating layer 4 is disposed in the phase change heat storage layer 5 or disposed below the phase change heat storage layer 5 and in close contact with the phase change heat storage layer 5, the reflecting layer 2 and the heat insulating layer 1 are located at the lower portions of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4, the reflecting layer 2 reflects the heat of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4 upward to prevent the heat from being dissipated downward, the ground shielding module 3 connects the carbon fiber heat generating layer 4 and performs ground protection, the reflecting layer 2 is on the heat insulating layer 1, the phase-change heat storage layer 5 absorbs heat of the carbon fiber heating layer to form sensible heat and phase-change latent heat for storage, and in a specific embodiment, the carbon fiber controller 104 includes areas of all surfaces of a setting space and average heat transfer coefficients corresponding to all surfaces, and includes the following steps:
obtaining the temperature: setting the average temperature t1 of the space to obtain the average temperature t2 of the outdoor day of the next day;
acquiring the heat consumption of the space of the building enclosure: acquiring the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating;
heat storage: in the heat storage time period, the carbon fiber heating layer 4 is controlled to be heated to form sensible heat and latent phase change heat according to the heat consumption Q and the heating power W of the carbon fiber heating layer to store heat;
intelligent heat supply: and adjusting the heat supply according to the set heat supply required maintaining temperature t1 and the real-time temperature t5 of heat supply when heat is released through heat storage of the phase-change heat storage layer, and if the real-time temperature t5 of heat supply is less than the set maintaining temperature t1 of heat supply, controlling the carbon fiber controller to heat the carbon fiber heat generating layer to supplement the heat supply.
As shown in fig. 1 and fig. 2, the specific implementation process of the present invention is as follows: the carbon fiber intelligent heating system comprises a carbon fiber heating unit 105, a heat storage unit 33, a heat preservation unit 22 and an intelligent control unit 11, wherein the heat preservation unit 22 comprises an envelope space with a multi-face envelope, the multi-face envelope space of the envelope space is coated with heat insulation paint, the intelligent control unit 11 comprises a carbon fiber collector 102 and a carbon fiber controller 104, the heat storage unit 33 is a phase change heat storage layer 5, the phase change heat storage layer 5 is made of solid materials and formed by mixing concrete and phase change heat storage materials, the carbon fiber heating unit 105 comprises a carbon fiber heating layer 4 formed by carbon fiber wires, a grounding shielding module 3 used for grounding shielding, a reflecting layer 2 used for reflecting heat and a heat insulation layer 1 used for insulating heat, particularly, the phase change heat storage layer 5 is formed by mixing concrete and phase change material particles, and the phase change heat storage material particles are uniformly distributed in the concrete, the phase-change heat storage layer 5 can store heat by absorbing heat to form sensible heat and phase-change latent heat, and can store heat quickly and release heat slowly. The carbon fiber wires are arranged or woven to form the carbon fiber heating layer 4. The carbon fiber heat-generating layer 4 is disposed in the phase-change heat storage layer 5, that is: the carbon fiber heating layer 4 is inserted in the phase-change heat storage layer 5, the heat storage and insulation material fills the gap of the carbon fiber heating layer 4 and wraps the carbon fiber heating layer 4 in the middle, so that the carbon fiber heating layer 4 generates heat to enable the phase-change heat storage layer 5 to fully absorb, and at the moment, the carbon fiber heating layer 4 generates heat to enable the phase-change heat storage layer 5 not to be arranged in a layered mode but to be mixed together. The reflecting layer 2 and the heat insulating layer 1 are positioned at the lower part of the layer body formed by mixing the phase change heat storage layer 5 due to the heating of the carbon fiber heating layer 4. The carbon fiber generate heat the layer 4 with during 5 layering settings of phase change heat storage layer, the carbon fiber generate heat the layer 4 setting be in below the phase change heat storage layer 5 and with 5 in close contact with of phase change heat storage layer, the reflector layer 2 the heat insulation layer 1 sets up the lower part of phase change heat storage layer 5. The grounding shielding module 3 is connected with the carbon fiber heating layer 4 and performs grounding protection, and the grounding shielding module 3 can be arranged around the carbon fiber heating layer 4 and is connected with the carbon fiber heating layer 4 to perform grounding protection. The grounding shielding module 3 is a grounding shielding layer, the grounding shielding layer is arranged between the reflection layer 2 and the carbon fiber heating layer 4, and the grounding shielding layer is connected with the carbon fiber heating layer 4 to perform grounding protection. The reflecting layer 2 reflects the heat of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4 upwards to prevent the heat from dissipating downwards. In an embodiment, the carbon fiber controller 104 presets the area of each side of the space and the average heat transfer coefficient corresponding to each side.
The method comprises the following specific steps:
obtaining the temperature: and setting the average temperature t1 to be maintained for heating, and acquiring the average temperature t2 of the outdoor day of the next day.
The specific implementation process is as follows: in order to calculate the heat consumption amount, the average temperature to be maintained the next day needs to be considered, and therefore, the average temperature t1 to be maintained is set. Meanwhile, the average outdoor daily temperature t2 of the second day is obtained by means of weather forecast, such as connecting to the local weather service station 106, in a specific embodiment, the carbon fiber collector 102 is connected to the server 101, the weather forecast information of the second day is obtained through the server 101, and the average outdoor daily temperature t2 of the second day is obtained through the weather forecast information.
Acquiring heat consumption: and acquiring the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating.
The heat loss of the space heat transfer is calculated, the heat loss of air ventilation and the heat obtained by the space are ignored, and meanwhile, the heat consumption from the heat storage time to the heat supply time of the next day is not considered. The heat loss of the space heat transfer is determined according to the area of the heat transfer surface, the temperature of the two surfaces of the heat transfer surface and the heat transfer coefficient. The specific implementation process is as follows:
if the building envelope is an integral whole and the average value of the temperature difference between the whole building envelope and the periphery is consistent, Q is Kn multiplied by S multiplied by T multiplied by 24/1000 through the area S of the whole building envelope, the average value T of the temperature difference between the building envelope and the periphery and the heat transfer coefficient Kn of the building envelope,
if the building envelope is divided into a plurality of surfaces, and the average temperature difference between each surface and the outside of the building envelope is different, at this time, assuming that the collected materials of each surface are the same and the heat insulation coating is coated on each surface, the heat transfer coefficients of each surface are the same and are Kn, and the heat transfer coefficients are W/(m)2K), then calculate respectively:
top surface area S1, bottom surface area S2, and surrounding four-side areas S3, S4, S5, S6, in m2。
The average value of the temperature difference between the top surface and the outside is T1, the average value of the temperature difference between the bottom surface and the outside is T2, and the average values of the temperature differences between the four surrounding surfaces and the outside are T3, T4, T5 and T6 respectively, and the unit is K.
Heat consumption Q in kWh.
Q＝[(Kn×S1×T1)+(Kn×S2×T2)+(Kn×S3×T1)+(Kn×S4×T4)+(Kn×S5×T5)+(Kn×S6×T6)]×24/1000。
Determining the heating power: and determining the heating power W of the carbon fiber heating layer 4.
The specific implementation process is as follows: the heating power W of the carbon fiber heating layer 4 may be fixed or may be set, and if fixed, may be preset in the carbon fiber controller 104; if the high or low can be set, the heat generation power W of the carbon fiber heat generation layer 4 is selected during heat storage.
Heat storage: and in the heat storage time period, the carbon fiber heating layer 4 is controlled to heat according to the heat consumption Q and the heating power W of the carbon fiber heating layer to form sensible heat and latent heat of phase change for heat storage.
The specific implementation process is as follows: and starting to control the working time of the carbon fiber heating layer 4 to be H in the selected heat storage time period. A heat accumulation time period is first selected by the carbon fiber controller 104, and the time of the heat accumulation time period is preferably longer than the heat accumulation time H.
Intelligent heat supply: according to the set required holding temperature t1 for heat supply and the real-time temperature t5 after heat is released through heat accumulation, if the real-time temperature t5 is less than the set holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heat-generating layer 4 to generate heat to supplement heat supply.
The specific implementation process is as follows: as the carbon fiber heat-generating layer 4 stops heating, the phase-change heat storage layer 5 starts releasing heat. In the period of time immediately after the carbon fiber heat generation layer 4 stops, the temperature after heat supply is higher than or equal to the average temperature t1 to be maintained, and at this time, only the phase-change heat storage layer 5 releases heat; when the temperature of the space is lower than the average temperature t1 to be maintained and the amount of heat released by the phase-change heat storage layer 5 is less than the average temperature t1 to be maintained, the carbon fiber controller 104 controls the carbon fiber heat generation layer 4 to generate heat to supplement the heat supply so as to maintain the average temperature t1 to be maintained. Therefore, intelligent control based on heat storage is achieved, energy can be greatly saved through accurate control, and cost is greatly saved.
Constructing a heat storage model: and constructing a heat storage model according to the heating power of the carbon fiber heating layer 4 and the heat storage capacity of the phase-change heat storage layer 5, and constructing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the phase-change heat storage layer 5.
The specific implementation process is as follows: the heat storage amount of the phase-change heat storage layer 5: qXTemperature of increase in specific heat capacity of the thermal storage material, mass of the thermal storage material, C M Δ T, wherein: c represents the specific heat capacity of the heat storage material, M represents the mass of the heat storage material, and Δ T is the increased temperature. Wherein: Δ T is the initial heat accumulation temperature — heat accumulation temperature. Heating the carbon fiber heating layer 4: q ═ WH, wherein: q is the heating amount, W is the heating power of the carbon fiber heating layer 4, and H is the heating time of the carbon fiber heating layer 4. The heat storage amount of the phase-change heat storage layer 5 is derived from heating of the carbon fiber heat-generating layer 4, and the loss in the heat storage is ignored, and Q is QXAnd establishing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the phase-change heat storage layer 5:
WH ═ C × M Δ T, that is: h ═ C × M Δ T/W.
The preferred embodiments of the present invention are: the heat consumption Q also comprises one or more of heat loss of space heat transfer and heat loss of air ventilation.
The heat loss of the spatial heat transfer is calculated as described above.
The heat loss calculation process for air ventilation is as follows:
wherein: qh represents the heat loss of air exchange and has a unit of W/m2，tnIndicating the temperature, t, in the roomwRepresenting the temperature of the ventilation air; ckRepresents the specific heat capacity of the ventilation gas, and p represents the density of air (unit kg/m)3) N denotes the number of ventilation times, V denotes the volume of ventilation, in m3。
The obtained heat quantity comprises the heat quantity released by the human body temperature of the space and the heat quantity released by other heat sources, and is calculated according to specific conditions.
As shown in fig. 1, 2 and 3, the embodiment of the present invention is: a carbon fiber intelligent heating system based on phase change heat storage space enclosing structure heat insulation is constructed, and comprises a carbon fiber heating unit 105, a heat storage unit 33, a heat preservation unit 22 and an intelligent control unit 11, wherein the heat preservation unit 22 comprises a space enclosing structure formed by a plurality of space enclosing structures, heat insulation paint is coated on the plurality of space enclosing structures of the space enclosing structures, the intelligent control unit 11 comprises a carbon fiber collector 102 and a carbon fiber controller 104, the heat storage unit 33 is a phase change heat storage layer 5, the phase change heat storage layer 5 is made of solid materials and is formed by mixing concrete and phase change heat storage materials, the carbon fiber controller 104 is connected with the carbon fiber heating unit 105, the carbon fiber collector 102 is connected with the carbon fiber controller 104, and the carbon fiber collector 102 collects working parameters of the carbon fiber heating unit 105 through the carbon fiber controller 104, the carbon fiber heat supply unit 105 includes a carbon fiber heat generating layer 4 formed by a carbon fiber wire, a ground shielding module 3 for ground shielding, a reflecting layer 2 for reflecting heat, and a heat insulating layer 1 for heat insulation, the phase change heat storage layer 5 is formed by mixing concrete and phase change material particles, the carbon fiber heat generating layer 4 is disposed in the phase change heat storage layer 5 or disposed below the phase change heat storage layer 5 and in close contact with the phase change heat storage layer 5, the reflecting layer 2 and the heat insulating layer 1 are located at the lower portions of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4, the reflecting layer 2 reflects the heat of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4 upward to prevent the heat from being dissipated downward, the ground shielding module 3 connects the carbon fiber heat generating layer 4 and performs ground protection, the reflecting layer 2 is on the heat insulating layer 1, phase change heat storage layer 5 absorbs carbon fiber heating layer's heat formation sensible heat and phase change latent heat are stored, carbon fiber controller 104 acquires module 12, intelligent heat supply module 13 including setting up module 11, the outdoor temperature that acquires outdoor day average temperature, acquires heat consumption and acquires module 14, set up module 11 and set up each area in space and the average heat transfer coefficient that each corresponds, set up module 11 and set up the heat supply required keep temperature t1, carbon fiber heating layer 4's heating power W and heat accumulation time quantum, outdoor temperature acquires module 12 and acquires outdoor day average temperature t2 of second day, heat consumption acquires module 14 and acquires envelope space's heat consumption Q according to envelope's envelope, the inside and outside temperature difference of envelope and the envelope's of coating insulating material heat transfer coefficient, intelligent heat supply module 13 releases heat through the real-time temperature after heat storage according to the keep temperature t1 that sets up And t5, if the real-time temperature t5 is less than the set holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heating layer 4 to heat and supplement heat supply.
As shown in fig. 1 and fig. 2, the specific implementation process of the present invention is as follows: mix the phase change heat accumulation layer 5 that forms by concrete and phase change heat storage material, carbon fiber heat supply unit 105 include, carbon fiber line form generate heat layer 4, be used for ground shield's ground shield module 3, reflection stratum 2 of reflection heat, be used for thermal-insulated heat insulation layer 1, wherein, phase change heat accumulation layer 5 is solid material, mixes and forms by concrete and phase change heat storage material, specifically, phase change heat accumulation layer 5 is mixed by concrete and phase change material granule and forms, and phase change heat storage material granule evenly distributed is in the concrete, and phase change heat accumulation layer 5 forms sensible heat and phase change latent heat through the absorption heat and carries out the heat accumulation, can carry out quick heat accumulation, slow release. The carbon fiber wires are arranged or woven to form the carbon fiber heating layer 4. The carbon fiber heat-generating layer 4 is disposed in the phase-change heat storage layer 5, that is: the carbon fiber heating layer 4 is inserted in the phase-change heat storage layer 5, the heat storage and insulation material fills the gap of the carbon fiber heating layer 4 and wraps the carbon fiber heating layer 4 in the middle, so that the carbon fiber heating layer 4 generates heat to enable the phase-change heat storage layer 5 to fully absorb, and at the moment, the carbon fiber heating layer 4 generates heat to enable the phase-change heat storage layer 5 not to be arranged in a layered mode but to be mixed together. The reflecting layer 2 and the heat insulating layer 1 are positioned at the lower part of the layer body formed by mixing the phase change heat storage layer 5 due to the heating of the carbon fiber heating layer 4. The carbon fiber generate heat the layer 4 with during 5 layering settings of phase change heat storage layer, the carbon fiber generate heat the layer 4 setting be in below the phase change heat storage layer 5 and with 5 in close contact with of phase change heat storage layer, the reflector layer 2 the heat insulation layer 1 sets up the lower part of phase change heat storage layer 5. The grounding shielding module 3 is connected with the carbon fiber heating layer 4 and performs grounding protection, and the grounding shielding module 3 can be arranged around the carbon fiber heating layer 4 and is connected with the carbon fiber heating layer 4 to perform grounding protection. The grounding shielding module 3 is a grounding shielding layer, the grounding shielding layer is arranged between the reflection layer 2 and the carbon fiber heating layer 4, and the grounding shielding layer is connected with the carbon fiber heating layer 4 to perform grounding protection. The reflecting layer 2 reflects the heat of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4 upwards to prevent the heat from dissipating downwards. The setting module 11 sets the area of each surface of the space and the average heat transfer coefficient corresponding to each surface, the setting module 11 sets a holding temperature t1 required for heat supply, the heating power W of the carbon fiber heating layer 4 and a heat storage time period, and the outdoor temperature obtaining module 12 obtains the outdoor daily average temperature t2 of the next day.
The method comprises the following specific steps:
obtaining the temperature: the setting module 11 sets a holding temperature t1 required for heating, and the outdoor temperature obtaining module 12 obtains an outdoor daily average temperature t2 of the next day.
The specific implementation process is as follows: in order to calculate the heat consumption amount, the average temperature to be maintained the next day needs to be considered, and therefore, the maintained average temperature t1 is set. Meanwhile, the average outdoor daily temperature t2 of the local second day is obtained through means such as weather forecast, and in the specific embodiment, the carbon fiber collector 102 is connected with the server 101, the weather forecast information of the second day is obtained through the server 101, and the average outdoor daily temperature t2 of the second day is obtained through the weather forecast information.
Determining the heating power: and determining the heating power W of the carbon fiber heating layer 4.
The specific implementation process is as follows: the heating power W of the carbon fiber heating layer 4 may be fixed or may be set, and if fixed, may be preset in the carbon fiber controller 104; if the high or low can be set, the heat generation power W of the carbon fiber heat generation layer 4 is selected during heat storage.
The heat consumption obtaining module 14 obtains the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating.
The heat loss of the space heat transfer is calculated, the heat loss of air ventilation and the heat obtained by the space are ignored, and meanwhile, the heat consumption from the heat storage time to the heat supply time of the next day is not considered. The heat loss of the space heat transfer is determined according to the area of the heat transfer surface, the temperature of the two surfaces of the heat transfer surface and the heat transfer coefficient. The heat consumption obtaining module 14 obtains the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating, and the specific implementation process is as follows:
if the building envelope is an integral whole and the average value of the temperature difference between the whole building envelope and the periphery is consistent, Q is Kn multiplied by S multiplied by T multiplied by 24/1000 through the area S of the whole building envelope, the average value T of the temperature difference between the building envelope and the periphery and the heat transfer coefficient Kn of the building envelope,
if the building envelope is divided into a plurality of surfaces, and the average temperature difference between each surface and the outside of the building envelope is different, at this time, assuming that the collected materials of each surface are the same and the heat insulation coating is coated on each surface, the heat transfer coefficients of each surface are the same and are Kn, and the heat transfer coefficients are W/(m)2K), then calculate respectively:
top surface area S1, bottom surface area S2, and surrounding four-side areas S3, S4, S5, S6, in m2。
The average value of the temperature difference between the top surface and the outside is T1, the average value of the temperature difference between the bottom surface and the outside is T2, and the average values of the temperature differences between the four surrounding surfaces and the outside are T3, T4, T5 and T6 respectively, and the unit is K.
Heat consumption Q in kWh.
Q＝[(Kn×S1×T1)+(Kn×S2×T2)+(Kn×S3×T1)+(Kn×S4×T4)+(Kn×S5×T5)+(Kn×S6×T6)]×24/1000。
Determining the heating power: and determining the heating power W of the carbon fiber heating layer 4.
If the influence of the wind coefficient is considered, if the enclosure tieOne face of which has an area of Si]Average value T [ i ] of temperature difference between the surface and the periphery of the enclosure structure]Heat transfer coefficient K [ i ] of the surface of the enclosure structure]Wind influence factor F [ i ] of the surface of the enclosure]Then Q ═ Σi＝1 6K[i]×S[i]×T[i]×F[i]×24/1000。
If the enclosure is divided into multiple surfaces and the average temperature difference between each surface and the outside is different, then the top surface heat transfer coefficient K1, the bottom surface heat transfer coefficient K2, the heat transfer coefficients of the four surrounding surfaces K3, K4, K5 and K6 are assumed to be W/(m) m2K), then calculate respectively:
top surface area S1, bottom surface area S2, and surrounding four-side areas S3, S4, S5, S6, in m2。
The average value of the temperature difference between the top surface and the outside is T1, the average value of the temperature difference between the bottom surface and the outside is T2, and the average values of the temperature differences between the four surrounding surfaces and the outside are T3, T4, T5 and T6 respectively, and the unit is K.
The wind power influence factor F1 on the top surface, the wind power influence factor F2 on the bottom surface and the wind power influence factors on the four surrounding surfaces are respectively F3, F4, F5 and F6, if the corresponding surface is not an outer wall, the value is 1, if the corresponding surface is an outer wall, the value is a compensation factor which is more than 1, and the value is determined according to wind power and wind direction.
Heat consumption Q in kWh.
Q＝[(K1×S1×T1×F1)+(K2×S2×T2×F2)+(K3×S3×T3×F3)+(K4×S4×T4×F4)+(K5×S5×T5×F5)+(K6×S6×T6×F6)]×24/1000。
The heat storage model building module 15 is further included, the heat storage model building module 15 builds a heat storage model according to the heating power of the carbon fiber heating layer 4 and the heat storage capacity of the phase-change heat storage layer 5, and builds a relation between the heating power of the carbon fiber heating layer 4 and the heat storage capacity of the phase-change heat storage layer 5.
The specific implementation process is as follows: the heat storage amount of the phase-change heat storage layer 5 includes sensible heat QxAnd latent heat of phase change Qq：QxTemperature of increase in specific heat capacity of the thermal storage material, mass of the thermal storage material, C M Δ T, wherein: c represents the specific heat capacity of the heat storage material, M represents the mass of the heat storage material, and Δ T is the increased temperature. Wherein: Δ T is the initial heat accumulation temperature — heat accumulation temperature.Qqmass-S M, where S denotes the latent heat coefficient and M denotes the mass of the phase change material. Heating the carbon fiber heating layer 4: q ═ WH, wherein: q is the heating amount, W is the heating power of the carbon fiber heating layer 4, and H is the heating time of the carbon fiber heating layer 4. The heat storage amount of the phase-change heat storage layer 5 is derived from heating of the carbon fiber heat-generating layer 4, and the loss in the heat storage is ignored, and Q is QX+QqAnd establishing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the phase-change heat storage layer 5:
c M △ T + S M, i.e., H ═ M Δ T + S M)/W
WH＝Q，H＝Q/W
Heat storage: and in the heat storage time period, the carbon fiber heating layer 4 is controlled to heat according to the heat consumption Q and the heating power W of the carbon fiber heating layer to form sensible heat and latent heat of phase change for heat storage.
The specific implementation process is as follows: and starting to control the working time of the carbon fiber heating layer 4 to be H in the selected heat storage time period. A heat accumulation time period is first selected by the carbon fiber controller 104, and the time of the heat accumulation time period is preferably longer than the heat accumulation time H.
Intelligent heat supply module 13 intelligent heat supply: according to the set holding temperature t1 and the real-time temperature t5 after releasing heat through heat accumulation, if the real-time temperature t5 is less than the set holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heat-generating layer 4 to generate heat to supplement heat supply.
The specific implementation process is as follows: as the carbon fiber heat-generating layer 4 stops heating, the phase-change heat storage layer 5 starts releasing heat. During the period of time immediately after the carbon fiber heat-generating layer 4 stops, the temperature of the space is higher than or equal to the average temperature t1 at which the space is to be maintained, and at this time, only the phase-change heat storage layer 5 releases heat; when the temperature of the space is lower than the average temperature t1 to be maintained, and the amount of heat released by the phase-change heat storage layer 5 is less than the average temperature t1 to be maintained, the carbon fiber controller 104 controls the carbon fiber heat generation layer 4 to generate heat to supplement the heat supply so as to maintain the average temperature t1 to be maintained. Therefore, intelligent control based on heat storage is achieved, energy can be greatly saved through accurate control, and cost is greatly saved.
As shown in fig. 1 to 2, the preferred embodiment of the present invention is: the reflecting layer 2 is a reflecting coating which is coated on the heat insulating layer 1. The reflective coating and the heat insulation layer 1 are positioned at the lower part of the carbon fiber heating layer 4, and reflect heat emitted by the carbon fiber heating layer 4 upwards to prevent the heat from being released downwards. The reflecting layer 2 is a metal reflecting layer, the metal reflecting layer is arranged on the heat insulating layer 1, and the metal reflecting layer is formed by aluminum foil.
As shown in fig. 1 to 2, the carbon fiber collector 102 communicates with the outdoor temperature sensor 103 and the carbon fiber controller 104 through a LoRa wireless communication unit, the communication between the carbon fiber collector 102 and the carbon fiber controller 104 adopts a call answering manner, and the communication between the carbon fiber collector 102 and the outdoor temperature sensor 103 adopts a call answering manner. The carbon fiber collector 102 can collect or set the parameters of the carbon fiber controller 104 and the outdoor temperature sensor 106 at any time.
As shown in fig. 1 to 2, the carbon fiber collector 102 communicates with the server 101 by using 4G, and the carbon fiber collector 102 issues a command issued by the server 101 to the carbon fiber controller 104 or the outdoor temperature sensor 103 and uploads data collected by the carbon fiber controller 104 or the outdoor temperature sensor 103 to the server 101. The server 101 can also be connected with a mobile phone APP108 or a PC end 107 to transmit heat supply information, and meanwhile, remote control can be performed through the mobile phone APP108 or the PC end 107.
The preferred embodiments of the present invention are: expansion joints are arranged in the phase change heat storage layer 5. The expansion joint is used for buffering the volume change of the phase change heat storage layer 5 caused by thermal expansion and cold contraction.
The preferred embodiments of the present invention are: the heat-storage floor is characterized by further comprising a damp-proof isolation layer and a floor decoration layer for decorating the floor, wherein the isolation layer is arranged between the phase change heat storage layer and the floor decoration layer.
The invention has the beneficial effects that: the carbon fiber intelligent heat supply system comprises a carbon fiber heat supply unit 105, a heat storage unit 33, a heat preservation unit 22 and an intelligent control unit 11, wherein the heat preservation unit 22 comprises an enclosure space formed by a plurality of enclosures, heat insulation coatings are coated on the plurality of enclosures of the enclosure space, the intelligent control unit 11 comprises a carbon fiber collector 102 and a carbon fiber controller 104, the heat storage unit 33 is a phase change heat storage layer 5, the phase change heat storage layer 5 is formed by mixing concrete and phase change material particles, the carbon fiber controller 104 is connected with the carbon fiber heat supply unit 105, the carbon fiber collector 102 is connected with the carbon fiber controller 104, the carbon fiber collector 102 collects working parameters of the carbon fiber heat supply unit 105 through the carbon fiber controller 104, the carbon fiber heat supply unit 105 includes a carbon fiber heat generating layer 4 formed by a carbon fiber wire, a ground shielding module 3 for ground shielding, a reflecting layer 2 for reflecting heat, and a heat insulating layer 1 for thermal insulation, the carbon fiber heat generating layer 4 is disposed in the phase change heat storage layer 5 or disposed below the phase change heat storage layer 5 and in close contact with the phase change heat storage layer 5, the reflecting layer 2 the heat insulating layer 1 is located in the phase change heat storage layer 5 and a lower portion of the carbon fiber heat generating layer 4, the reflecting layer 2 reflects the heat of the phase change heat storage layer 5 and the carbon fiber heat generating layer 4 upward to prevent the heat from being dissipated downward, the ground shielding module 3 connects the carbon fiber heat generating layer 4 and performs ground protection, the reflecting layer 2 is on the heat insulating layer 1, the phase change heat storage layer 5 absorbs the heat of the carbon fiber heat generating layer to form sensible heat and store phase change latent heat, the carbon fiber controller 104 comprises areas of all sides of the setting space and average heat transfer coefficients corresponding to all sides, and controls the operation of the carbon fiber heating layer according to the heat storage capacity of the phase change heat storage layer and the heat productivity of the carbon fiber heating layer. According to the invention, a multi-level carbon fiber heat supply unit and a phase change heat storage technology are adopted, the carbon fiber heat supply technology, the phase change heat storage technology and the intelligent control technology are combined through intelligent control of the novel carbon fiber controller, the phase change heat storage can keep small temperature change in the heat storage process, meanwhile, the heat release can be slowly carried out, in addition, accurate phase change heat storage and heat supply control are realized, the phase change heat storage is carried out in a selected time period, the advantage of peak-valley electricity price is utilized, and the cost is saved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. Carbon fiber wisdom heat supply method based on phase change heat accumulation envelope is thermal-insulated, its characterized in that: carbon fiber wisdom heating system includes carbon fiber heat supply unit, heat accumulation unit, heat preservation unit, wisdom the control unit, the heat preservation unit is including the envelope space that possesses multiaspect envelope formation, the multiaspect envelope in envelope space all coats thermal-insulated coating, wisdom the control unit includes carbon fiber collector, carbon fiber controller, the heat accumulation unit is the phase change heat accumulation layer, the phase change heat accumulation layer is mixed by concrete and phase change material granule and is formed, carbon fiber controller connects carbon fiber heat supply unit, carbon fiber collector with carbon fiber controller connects, carbon fiber collector passes through carbon fiber controller gathers carbon fiber heat supply unit's working parameter, carbon fiber heat supply unit includes the carbon fiber heating layer that the carbon fiber line formed, is used for ground connection shielding's ground connection shielding module, a, Thermal-reflective reflection stratum, a heat insulation layer for thermal-insulated, the carbon fiber layer that generates heat sets up in the phase change heat storage layer or set up below the phase change heat storage layer and with phase change heat storage layer in close contact with, the reflection stratum the heat insulation layer is located phase change heat storage layer with the lower part on carbon fiber layer that generates heat, the reflection stratum will phase change heat storage layer with the heat on carbon fiber layer that generates heat upwards reflects in order to prevent the heat to scatter and disappear downwards, ground shield module connects carbon fiber layer and earth ground connection that generates heat, the reflection stratum is in on the heat insulation layer, phase change heat storage layer absorbs carbon fiber layer's heat formation sensible heat and phase change latent heat store, including following step:
obtaining the temperature: setting an average temperature t1 required to be maintained for heat supply, and acquiring an outdoor daily average temperature t2 of the next day;
acquiring the heat consumption of the space of the building enclosure: acquiring the heat consumption Q of the space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating;
heat storage: controlling the carbon fiber heating layer to heat to form sensible heat and latent phase change heat for heat storage according to the heat consumption Q and the heating power W of the carbon fiber heating layer in the heat storage time period;
intelligent heat supply: and adjusting the heat supply according to the set heat supply required maintaining temperature t1 and the real-time temperature t5 of heat supply when heat is released through heat storage of the phase-change heat storage layer, and if the real-time temperature t5 of heat supply is less than the set maintaining temperature t1 of heat supply, controlling the carbon fiber controller to heat the carbon fiber heat generating layer to supplement the heat supply.
2. The intelligent carbon fiber heat supply method based on the phase-change heat storage envelope heat insulation of claim 1, is characterized in that: the heat consumption Q also includes subtracting the heat gained by the space.
3. The intelligent carbon fiber heat supply method based on the phase-change heat storage envelope heat insulation of claim 1, is characterized in that: the heat consumption Q also comprises one or more of heat loss of space heat transfer and heat loss of air ventilation.
4. The intelligent carbon fiber heating method based on the phase-change heat storage envelope heat insulation of claim 3, wherein: the heat loss of the space heat transfer is determined according to the area of the heat transfer surface, the temperature of the two surfaces of the heat transfer surface and the heat transfer coefficient.
5. Carbon fiber wisdom heating system based on phase change heat storage envelope is thermal-insulated, its characterized in that: including carbon fiber heat supply unit, heat accumulation unit, heat preservation unit, wisdom the control unit, the heat preservation unit is including the envelope space that possesses multiaspect envelope formation, the multiaspect envelope in envelope space all coats insulating coating, wisdom the control unit includes carbon fiber collector, carbon fiber controller, the heat accumulation unit is the phase change heat accumulation layer, the phase change heat accumulation layer is mixed by concrete and phase change material granule and is formed, carbon fiber controller connects carbon fiber heat supply unit, carbon fiber collector with carbon fiber controller connects, carbon fiber collector passes through carbon fiber controller gathers carbon fiber heat supply unit's operating parameter, carbon fiber heat supply unit includes the carbon fiber heating layer that the carbon fiber line formed, is used for ground connection shielding's ground connection shielding module, thermal reflection stratum of reflection, the thermal, The heat insulation layer for thermal insulation, the carbon fiber layer that generates heat sets up in the phase change heat storage layer or set up below the phase change heat storage layer and with phase change heat storage layer in close contact with, the reflection stratum the heat insulation layer is located phase change heat storage layer with the lower part on carbon fiber layer that generates heat, the reflection stratum will phase change heat storage layer with the heat on carbon fiber layer that generates heat upwards reflects in order to prevent the heat and scatter and disappear downwards, ground shield module connects carbon fiber layer and earth protection generate heat, the reflection stratum is in on the heat insulation layer, phase change heat storage layer absorbs the heat formation sensible heat and the phase change latent heat of carbon fiber layer that generates heat are stored, carbon fiber controller is including setting up the module, obtaining module, intelligent heat supply module, the heat consumption obtains the module, set up the module and set up the heat supply keep temperature t1, The intelligent heat supply system comprises a heat storage time period, an outdoor temperature acquisition module acquires the average outdoor daily temperature t2 of the next day, a heat consumption acquisition module acquires the heat consumption Q of a space of the enclosure structure according to the enclosure area of the enclosure structure, the temperature difference inside and outside the enclosure structure and the heat transfer coefficient of the enclosure structure coated with the heat insulation coating, a carbon fiber controller controls the carbon fiber heating layer to heat to form sensible heat and latent heat of phase change for heat storage according to the heat consumption Q and the heating power W of the carbon fiber heating layer in the heat storage time period, an intelligent heat supply module controls the heat supply layer to heat and supplement the heat supply according to the set holding temperature t1 required by heat supply and the real-time temperature t5 required by heat storage and release, and if the real-time temperature t5 of the heat supply is smaller than the holding temperature t1 required by the.
6. The heat-insulating carbon fiber intelligent heating system based on the phase-change heat storage envelope of claim 5, characterized in that: the ground shielding module is a ground shielding layer, and the ground shielding layer is arranged between the reflecting layer and the carbon fiber heating layer.
7. The heat-insulating carbon fiber intelligent heating system based on the phase-change heat storage envelope of claim 5, characterized in that: the carbon fiber heating layer is embedded in the phase-change heat storage layer or is tightly attached to the bottom surface of the phase-change heat storage layer.
8. The heat-insulating carbon fiber intelligent heating system based on the phase-change heat storage envelope of claim 5, characterized in that: the reflecting layer is a reflecting coating which is coated on the heat insulating layer; or the reflecting layer is a metal reflecting layer, and the metal reflecting layer is arranged on the heat insulating layer.
9. The heat-insulating carbon fiber intelligent heating system based on the phase-change heat storage envelope of claim 5, characterized in that: the carbon fiber collector is communicated with the carbon fiber controller in a calling and answering mode through a LoRa wireless communication unit, and the carbon fiber collector is communicated with the outdoor temperature sensor in a calling and answering mode through communication between the carbon fiber controller.
10. The heat-insulating carbon fiber intelligent heating system based on the phase-change heat storage envelope of claim 5, characterized in that: and expansion joints are arranged in the phase change heat storage layer.
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| CN201911335526.4A Pending CN111043650A (en) | 2019-10-15 | 2019-12-20 | Carbon fiber heat supply method and device based on phase change heat storage |
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| CN111322895A (en) * | 2020-04-03 | 2020-06-23 | 北京市市政工程设计研究总院有限公司 | PCM-based passive zero-energy-consumption anti-freezing device for equipment |
| CN111550866A (en) * | 2020-05-18 | 2020-08-18 | 北京嘉洁能科技股份有限公司 | Method and system for acquiring heat energy consumption of carbon fiber electric heating based on climate compensation |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN212108656U (en) | 2020-12-08 |
| CN111043650A (en) | 2020-04-21 |
| CN110779079A (en) | 2020-02-11 |
| CN212108657U (en) | 2020-12-08 |
| CN110567047A (en) | 2019-12-13 |
| CN211952980U (en) | 2020-11-17 |
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