CN110779079A - Carbon fiber heat supply method and device based on heat storage - Google Patents

Carbon fiber heat supply method and device based on heat storage Download PDF

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CN110779079A
CN110779079A CN201911333732.1A CN201911333732A CN110779079A CN 110779079 A CN110779079 A CN 110779079A CN 201911333732 A CN201911333732 A CN 201911333732A CN 110779079 A CN110779079 A CN 110779079A
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heat
carbon fiber
layer
heat storage
fiber heating
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石松林
易华勇
张小梅
张德仁
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Beijing Jiajieneng Polytron Technologies Inc
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—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
    • 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
    • G—PHYSICS
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    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/80—Management or planning
    • Y02P90/84—Greenhouse gas [GHG] management systems

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Abstract

The invention provides a heat storage-based carbon fiber heat supply method and device, which comprise a carbon fiber collector, a carbon fiber controller and a carbon fiber heat supply unit, wherein the carbon fiber heat supply unit comprises a heat storage and insulation layer formed by mixing concrete and a heat storage material, a carbon fiber heating layer formed by carbon fiber wires, a grounding shielding module for grounding shielding, a reflecting layer for reflecting heat and a heat insulation layer for insulating heat. The invention adopts the carbon fiber heat supply technology of a multi-level carbon fiber heat supply unit, the temperature inside and outside a heat supply space is obtained by setting various parameters and various auxiliary devices through the novel carbon fiber controller, and meanwhile, the carbon fiber heat supply technology and the heat storage technology are combined to realize accurate heat storage and heat supply control. Meanwhile, the time interval is selected for heat storage, and the cost is saved by utilizing the peak-valley electricity price advantage.

Description

Carbon fiber heat supply method and device based on heat storage
Technical Field
The invention relates to the field of heat supply and energy conservation, in particular to a carbon fiber heat supply method and a carbon fiber heat supply device based on heat storage.
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 heat supply method and a carbon fiber heat supply device based on heat storage.
The invention provides a carbon fiber heat supply method based on heat storage, wherein a carbon fiber heat supply device based on heat storage comprises a carbon fiber collector, a carbon fiber controller and a carbon fiber heat supply unit, 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, the carbon fiber heat supply unit comprises a heat storage heat preservation layer formed by mixing concrete and heat storage materials, a carbon fiber heating layer formed by carbon fiber wires, a grounding shielding module used for grounding shielding, a reflecting layer used for reflecting heat and a heat insulation layer used for heat insulation, the carbon fiber heating layer is arranged in the heat storage heat preservation layer or arranged below the heat storage heat preservation layer and is in close contact with the heat storage heat preservation layer, and the reflecting layer, the carbon fiber, The heat insulation layer is located the heat accumulation heat preservation with the lower part on carbon fiber heating layer, the reflector layer will the heat accumulation heat preservation with the heat on carbon fiber heating layer upwards reflects in order to prevent the heat to scatter and disappear downwards, ground shield module connects carbon fiber heating layer and ground protection, the reflector layer is in on the heat insulation layer, the heat accumulation heat preservation absorbs the heat on carbon fiber heating layer stores up the deposit, including following step:
obtaining the temperature: setting the average temperature t1 kept by the heat supply space, and acquiring the average temperature t2 of the outdoor day of the next day;
acquiring the heat consumption of a heat supply space: acquiring the heat consumption Q of a heat supply space;
heat storage: controlling the carbon fiber heating layer to 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 heat supply according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat storage of the heat storage and insulation layer, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, controlling the carbon fiber controller to heat the carbon fiber heating layer for supplying heat.
As a further improvement of the invention, the heat consumption Q further comprises subtracting the 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 heat transfer of the heat supply space and heat loss of air ventilation.
As a further improvement of the invention, the heat consumption Q of the heat supply space for 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 heat storage-based carbon fiber heating device, which comprises a carbon fiber collector and a carbon fiber heating energy-saving unit, wherein the carbon fiber heating energy-saving unit comprises a carbon fiber controller and a carbon fiber heating unit, 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, the carbon fiber heating unit comprises a heat storage and heat preservation layer formed by mixing concrete and heat storage materials, a carbon fiber heating layer formed by carbon fiber wires, a ground shielding module for ground shielding, a reflecting layer for reflecting heat and a heat insulation layer for heat insulation, the carbon fiber heating layer is arranged in the heat preservation layer or arranged below the heat storage and heat preservation layer and is in close contact with the heat storage and heat preservation layer, the reflection layer and the heat insulation layer are positioned at the lower parts of the heat storage heat preservation layer and the carbon fiber heating layer, the reflection layer reflects the heat of the heat storage heat preservation layer and the carbon fiber heating layer upwards to prevent the heat from being dissipated downwards, the ground shielding module is connected with the carbon fiber heating layer and performs ground protection, the reflection layer is positioned on the heat insulation layer, the heat storage heat preservation layer absorbs the heat of the carbon fiber heating layer to store the heat, the carbon fiber controller comprises a setting module, an outdoor temperature acquisition module and an intelligent heat supply module, the outdoor temperature acquisition module acquires the average temperature of outdoor days, the heat consumption acquisition module acquires the heat consumption of a heat supply space, the setting module sets the holding temperature t1 and the heat storage time period of the heat supply space, the outdoor temperature acquisition module acquires the average temperature of outdoor days t2 of the next day, and the heat consumption acquisition module acquires the heat consumption Q, the carbon fiber controller starts to control the carbon fiber heating layer to heat for heat storage according to the heat consumption quantity Q and the heat storage model in the heat storage time period, the intelligent heat supply module adjusts heat supply according to the set heat supply space keeping temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat storage, and if the heat supply space real-time temperature t5 is smaller than the set heat supply space keeping temperature t1, the carbon fiber controller controls the carbon fiber heating layer to heat for supplement heat supply.
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 heat storage and insulation layer or clings to the bottom surface of the heat storage and insulation 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 heat storage and insulation layer.
The invention has the beneficial effects that: the carbon fiber heat supply device based on heat storage comprises a carbon fiber collector, a carbon fiber controller and a carbon fiber heat supply unit, wherein 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, the carbon fiber heat supply unit comprises a heat storage heat preservation layer formed by mixing concrete and heat storage materials, a carbon fiber heating layer formed by carbon fiber wires, a ground shielding module used for ground shielding, a reflecting layer used for reflecting heat and a heat insulating layer used for heat insulation, the carbon fiber heating layer is arranged in the heat storage heat preservation layer or arranged below the heat storage heat preservation layer and in close contact with the heat storage heat preservation layer, and the reflecting layer, the carbon fiber heating layer and the heat storage heat preservation layer are arranged in the heat storage, The heat insulation layer is located the heat accumulation heat preservation with the lower part on carbon fiber heating layer, the reflector layer will the heat accumulation heat preservation with the heat on carbon fiber heating layer upwards reflects in order to prevent the heat to scatter and disappear downwards, ground shield module connects carbon fiber heating layer and ground protection, the reflector layer is in on the heat insulation layer, the heat accumulation heat preservation absorbs the heat on carbon fiber heating layer stores up the deposit, including following step:
obtaining the temperature: setting the average temperature t1 kept by the heat supply space, and acquiring the average temperature t2 of the outdoor day of the next day;
acquiring the heat consumption of a heat supply space: acquiring the heat consumption Q of a heat supply space;
heat storage: controlling the carbon fiber heating layer to 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 heat supply according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat storage of the heat storage and insulation layer, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, controlling the carbon fiber controller to heat the carbon fiber heating layer for supplying heat.
The invention adopts the carbon fiber heat supply technology of a multi-level carbon fiber heat supply unit, the temperature inside and outside a heat supply space is obtained by setting various parameters and various auxiliary devices through the novel carbon fiber controller, and meanwhile, the carbon fiber heat supply technology and the heat storage technology are combined to realize accurate heat storage and heat supply control. Meanwhile, the time interval is selected for heat storage, and the cost is saved by utilizing the peak-valley electricity price advantage.
Drawings
Fig. 1 is a schematic view of a carbon fiber heating apparatus according to the present invention.
Fig. 2 is a schematic view of a carbon fiber heating unit of the present invention.
Fig. 3 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: a carbon fiber heat supply method based on heat storage is provided, the carbon fiber heat supply device based on heat storage comprises a carbon fiber collector 102, a carbon fiber controller 104 and a carbon fiber heat supply unit 105, 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 comprises a heat storage and heat preservation layer 5 formed by mixing concrete and heat storage materials, a carbon fiber heating layer 4 formed by carbon fiber wires, a ground shielding module 3 used for ground shielding, a reflecting layer 2 used for reflecting heat, and a heat insulation layer 1 used for heat insulation, the carbon fiber heating layer 4 is arranged in the heat storage and heat preservation layer 5 or arranged below the heat storage and heat preservation layer 5 and is in close contact with the heat storage and heat preservation layer 5, the utility model discloses a heat supply device, including the heat preservation layer 2, reflection stratum 2 heat insulation layer 1 is located heat storage heat preservation layer 5 with the lower part on carbon fiber heating layer 4, reflection stratum 2 will heat storage heat preservation layer 5 with the heat of carbon fiber heating layer 4 upwards reflects in order to prevent the heat and scatters and disappears downwards, ground connection shielding module 3 connects carbon fiber heating layer 4 and carries out ground protection, reflection stratum 2 is in on the heat insulation layer 1, heat storage heat preservation layer 5 absorbs the heat on carbon fiber heating layer 4 is stored up, carbon fiber controller 104 is including setting up the average heat transfer coefficient that each area and each side of heat supply space correspond, including following step:
obtaining the temperature: setting the average temperature t1 kept by the heat supply space, and acquiring the average temperature t2 of the outdoor day of the next day;
acquiring the heat consumption of a heat supply space: acquiring the heat consumption Q of a heat supply space;
heat storage: in the heat storage time period, the carbon fiber heating layer 4 is controlled to heat according to the heat consumption Q and the heat storage model to store heat;
intelligent heat supply: the heat supply is adjusted according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat accumulation, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heat-generating layer 4 to generate heat 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 heat supply unit 105 includes a heat storage insulation layer 5 formed by mixing concrete and a heat storage material, a carbon fiber heat generation layer 4 formed by a carbon fiber wire, a ground shield module 3 for ground shield, a heat reflection layer 2 for reflecting heat, and a heat insulation layer 1 for heat insulation, wherein the heat storage insulation layer 5 is a solid material and is formed by mixing concrete and a heat storage material, the heat storage material is uniformly distributed in the concrete, and the heat storage insulation layer 5 stores heat by absorbing heat, can perform rapid heat storage and slow release. The carbon fiber wires are arranged or woven to form the carbon fiber heating layer 4. The carbon fiber heating layer 4 is arranged in the heat storage and insulation layer 5, namely: the carbon fiber heating layer 4 is inserted into the heat storage and insulation 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 heat storage and insulation layer 5 can fully absorb the heat generated by the carbon fiber heating layer 4, and at the moment, the heat generated by the carbon fiber heating layer 4 enables the heat storage and insulation layer 5 not to be arranged in a layered manner 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 heat storage and insulation layer 5 due to the heating of the carbon fiber heating layer 4. When the carbon fiber heating layer 4 and the heat storage and insulation layer 5 are arranged in layers, the carbon fiber heating layer 4 is arranged below the heat storage and insulation layer 5 and is in close contact with the heat storage and insulation layer 5, and the reflecting layer 2 and the heat insulation layer 1 are arranged on the lower portion of the heat storage and insulation 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 heat storage and insulation layer 5 and the carbon fiber heating layer 4 upwards to prevent the heat from being dissipated downwards. The carbon fiber controller 104 presets the area of each surface of the heat supply space and the average heat transfer coefficient corresponding to each surface.
The method comprises the following specific steps:
obtaining the temperature: and setting the average temperature t1 maintained by the heating space, 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 of the heating space, the average temperature to be maintained in the heating space on the next day needs to be considered, and therefore, the average temperature t1 to be maintained in the heating space 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 the heat consumption of a heat supply space: and acquiring the heat consumption Q of the heat supply space according to the area of each surface of the heat supply space, the average heat transfer coefficient of each surface and the temperature difference between the heat supply space and the outside.
The heat loss of heat transfer of the heat supply space is calculated, the heat loss of air ventilation and the heat obtained by the heat supply space are ignored, and meanwhile, the heat consumption of the heat supply space between the heat storage time and the next day of heat supply time is not considered. The heat consumption Q of the heat supply space 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:
the calculation of the heat consumption Q may be performed specifically according to the shape of the heating space, and will be described below taking a hexahedral shape as an example.
The top surface average heat transfer coefficient Kn1, the bottom surface average heat transfer coefficient Kn2, the average heat transfer coefficients of the surrounding four surfaces Kn3, Kn4, Kn5 and Kn6 are expressed in W/(m) 2.K)。
Top surface area S1, bottom surface area S2, and surrounding four-side areas S3, S4, S5, S6, in m 2。
The average temperature difference between the top surface and the outside is T1, the average temperature difference between the bottom surface and the outside is T2, and the average temperature difference between the four surrounding surfaces and the outside is T1, T4, T5 and T6, wherein the unit is K.
Heat consumption Q in kWh.
Q＝[(Kn1×S1×T1)+(Kn2×S2×T2)+(Kn3×S3×T1)+(Kn4×S4×T4)+(Kn5×S5×T5)+(Kn6×S6×T6)]×24/1000。
In a preferred embodiment, the power of the carbon fiber heat generating layer 4 can be determined by selecting different heat generating powers of the carbon fiber heat generating layer 4: .
The specific implementation process is as follows: the heating power W of the carbon fiber heating layer 4 of the heating space can be fixed, or can be set, and if fixed, can 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 heat storage model 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: the heat supply is adjusted according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat accumulation, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heat-generating layer 4 to generate heat to supplement the heat supply.
The specific implementation process is as follows: as the carbon fiber heat-generating layer 4 stops heating, the heat-storage heat-preservation layer 5 starts releasing heat. In the time period when the carbon fiber heating layer 4 is just stopped, the temperature of the heat supply space is higher than or equal to the average temperature t1 to be kept in the heat supply space, and at the moment, only the heat storage and insulation layer 5 releases heat; when the temperature of the heating space is lower than the average temperature t1 to be kept in the heating space, and the heat quantity released by the heat-storage and insulation layer 5 is less than the average temperature t1 to be kept in the heating space, the carbon fiber controller 104 controls the carbon fiber heating layer 4 to heat and supplement the heating so as to maintain the average temperature t1 to be kept in the heating space. Therefore, intelligent control based on heat storage is achieved, energy can be greatly saved through accurate control, and cost is greatly saved.
In a preferred embodiment, a thermal storage model is constructed: 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 heat storage and insulation layer 5, and constructing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the heat storage and insulation layer 5.
The specific implementation process is as follows: the heat storage amount of the heat storage and insulation layer 5 is as follows: q XTemperature 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 jWH, wherein: q jFor heating, 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 quantity of the heat storage and insulation layer 5 comes from the heating of the carbon fiber heating layer 4, the loss in the heat storage is ignored, and Q is j＝Q XAnd establishing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the heat storage and insulation 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 further comprises the heat obtained by subtracting the space, and the heat consumption Q further comprises one or more of heat loss of heat transfer for heating the space and heat loss of air ventilation.
The preferred embodiments of the present invention are: the heat consumption Q also comprises one or more of heat consumption for heat transfer of the heat supply space, heat consumption for air ventilation and obtained heat.
The heat consumption for heat transfer in the heating space is calculated according to the calculation process.
The preferred embodiments of the present invention are: the heat consumption Q also comprises one or more of heat consumption of space heat transfer, heat consumption of air ventilation and heat obtained.
The heat consumption Q of the spatial heat transfer is calculated as described above.
The heat loss calculation process for air ventilation is as follows:
Figure BDA0002328874320000081
wherein: q hRepresents the heat loss of air ventilation with the unit of W/m 2，t nIndicating the temperature, t, in the room wRepresenting the temperature of the ventilation air; c kRepresents 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 m 3。
The obtained heat quantity comprises the heat quantity released by the body temperature of a person in a heating 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 heat supply device based on heat storage is constructed, and comprises a carbon fiber collector 102, a carbon fiber controller 104 and a carbon fiber heat supply unit 105, wherein 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 comprises a heat storage and insulation layer 5 formed by mixing concrete and heat storage materials, a carbon fiber heating layer 4 formed by carbon fiber wires, a ground shielding module 3 used for ground shielding, a reflecting layer 2 used for reflecting heat and an insulating layer 1 used for insulating heat, the carbon fiber heating layer 4 is arranged in the heat storage and insulation layer 5 or arranged below the heat storage and insulation layer 5 and is in close contact with the heat storage and insulation layer 5, the reflection layer 2 the heat insulation layer 1 is located the heat storage heat preservation layer 5 with the lower part of the carbon fiber heating layer 4, the reflection layer 2 will the heat storage heat preservation layer 5 with the heat of the carbon fiber heating layer 4 upwards reflects to prevent the heat from downwards losing, the ground shielding module 3 is connected the carbon fiber heating layer 4 and carries out ground protection, the reflection layer 2 is in on the heat insulation layer 1, the heat storage heat preservation layer 5 absorbs the heat of the carbon fiber heating layer 4 and stores, the carbon fiber controller 104 includes a setting module 11, an outdoor temperature obtaining module 12 for obtaining the average temperature of outdoor day, an intelligent heat supply module 13, a heat consumption obtaining module 14 for obtaining the heat consumption of the heat supply space, and a heat storage model building module 15, the setting module 11 sets the area of each face of the heat supply space and the average heat transfer coefficient corresponding to each face, the setting module 11 sets the keeping temperature t1 of the heat supply space, The heating power W and the heat storage time quantum of carbon fiber heating layer 4, outdoor temperature acquires module 12 acquires the outdoor daily average temperature T2 of the next day, the heat consumption acquires module 14 acquires the heat consumption Q of the heat supply space, heat storage model construction module 15 acquires the heat storage time according to T ═ Q/W, intelligent heat supply module 13 adjusts the heat supply according to the heat supply space holding temperature T1 that sets up and the heat supply space real-time temperature T5 that releases heat through heat storage, if the heat supply space real-time temperature T5 is less than the heat supply space holding temperature T1 that sets up, then carbon fiber controller 104 controls carbon fiber heating layer 4 generates heat and supplements 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 heat supply unit 105 includes a heat storage insulation layer 5 formed by mixing concrete and a heat storage material, a carbon fiber heat generation layer 4 formed by a carbon fiber wire, a ground shield module 3 for ground shield, a heat reflection layer 2 for reflecting heat, and a heat insulation layer 1 for heat insulation, wherein the heat storage insulation layer 5 is a solid material and is formed by mixing concrete and a heat storage material, the heat storage material is uniformly distributed in the concrete, and the heat storage insulation layer 5 stores heat by absorbing heat, can perform rapid heat storage and slow release. The carbon fiber wires are arranged or woven to form the carbon fiber heating layer 4. The carbon fiber heating layer 4 is arranged in the heat storage and insulation layer 5, namely: the carbon fiber heating layer 4 is inserted into the heat storage and insulation 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 heat storage and insulation layer 5 can fully absorb the heat generated by the carbon fiber heating layer 4, and at the moment, the heat generated by the carbon fiber heating layer 4 enables the heat storage and insulation layer 5 not to be arranged in a layered manner 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 heat storage and insulation layer 5 due to the heating of the carbon fiber heating layer 4. When the carbon fiber heating layer 4 and the heat storage and insulation layer 5 are arranged in layers, the carbon fiber heating layer 4 is arranged below the heat storage and insulation layer 5 and is in close contact with the heat storage and insulation layer 5, and the reflecting layer 2 and the heat insulation layer 1 are arranged on the lower portion of the heat storage and insulation 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 heat storage and insulation layer 5 and the carbon fiber heating layer 4 upwards to prevent the heat from being dissipated downwards. The setting module 11 sets the area of each surface of the heat supply space and the average heat transfer coefficient corresponding to each surface, the setting module 11 sets the holding temperature t1 of the heat supply space, the heating power W of the carbon fiber heating layer 4 and the heat storage time period, and the outdoor temperature obtaining module 12 obtains the average outdoor temperature t2 of the next day.
The method comprises the following specific steps:
obtaining the temperature: the setting module 11 sets a maintained temperature t1 of the heating space, 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 of the heating space, the average temperature to be maintained in the heating space on the next day needs to be considered, and therefore, the average temperature t1 to be maintained in the heating space 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 in the heat supply space.
The specific implementation process is as follows: the heating power W of the carbon fiber heating layer 4 of the heating space can be fixed, or can be set, and if fixed, can 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 acquisition module 14 acquires the heat consumption Q of the heating space.
The heat loss of heat transfer of the heat supply space is calculated, the heat loss of air ventilation and the heat obtained by the heat supply space are ignored, and meanwhile, the heat consumption of the heat supply space between the heat storage time and the next day of heat supply time is not considered. The heat consumption Q of the heat supply space 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 heat supply space according to the area of each surface of the heat supply space, the average heat transfer coefficient of each surface, and the temperature difference between the heat supply space and the outside, and the calculation of the heat consumption Q may be specifically performed according to the shape of the heat supply space, which is described below by taking the shape of a hexahedron as an example. The specific implementation process is as follows:
top surface average heat transfer coefficient Kn1, bottom surface average heat transfer coefficient Kn2, average heat transfer coefficients of surrounding four surfaces Kn3, Kn4, Kn5 and Kn6The bit is W/(m) 2.K)。
Top surface area S1, bottom surface area S2, and surrounding four-side areas S3, S4, S5, S6, in m 2。
The average temperature difference between the top surface and the outside is T1, the average temperature difference between the bottom surface and the outside is T2, and the average temperature difference between the four surrounding surfaces and the outside is T1, T4, T5 and T6, wherein the unit is K.
Heat consumption Q in kWh.
Q＝[(Kn1×S1×T1)+(Kn2×S2×T2)+(Kn3×S3×T1)+(Kn4×S4×T4)+(Kn5×S5×T5)+(Kn6×S6×T6)]×24/1000。
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 heat storage and insulation layer 5, and builds the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage and insulation layer 5.
The specific implementation process is as follows: the heat storage amount of the heat storage and insulation layer 5 is as follows: q XTemperature 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 jWH, wherein: q jFor heating, 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 quantity of the heat storage and insulation layer 5 comes from the heating of the carbon fiber heating layer 4, the loss in the heat storage is ignored, and Q is j＝Q XAnd establishing the relationship between the heating power of the carbon fiber heating layer 4 and the heat storage of the heat storage and insulation layer 5:
WH ═ C × M Δ T, that is: h ═ C × M Δ T/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 heat storage model 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: the heat supply is adjusted according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat accumulation, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, the carbon fiber controller 104 controls the carbon fiber heat-generating layer 4 to generate heat to supplement the heat supply.
The specific implementation process is as follows: as the carbon fiber heat-generating layer 4 stops heating, the heat-storage heat-preservation layer 5 starts releasing heat. In the time period when the carbon fiber heating layer 4 is just stopped, the temperature of the heat supply space is higher than or equal to the average temperature t1 to be kept in the heat supply space, and at the moment, only the heat storage and insulation layer 5 releases heat; when the temperature of the heating space is lower than the average temperature t1 to be kept in the heating space, and the heat quantity released by the heat-storage and insulation layer 5 is less than the average temperature t1 to be kept in the heating space, the carbon fiber controller 104 controls the carbon fiber heating layer 4 to heat and supplement the heating so as to maintain the average temperature t1 to be kept in the heating space. 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 heat storage and insulation layer 5. The expansion joint is used for buffering the volume change of the heat storage and insulation layer 5 caused by expansion with heat and contraction with cold.
The preferred embodiments of the present invention are: the 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 heat storage insulation layer and the floor decoration layer.
The invention has the beneficial effects that: a carbon fiber heat supply method and device based on heat storage are provided, the carbon fiber heat supply device based on heat storage comprises a carbon fiber collector 102, a carbon fiber controller 104 and a carbon fiber heat supply unit 105, the carbon fiber controller 104 is connected with the carbon fiber heat supply unit 105, 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 comprises a heat storage and heat preservation layer 5 formed by mixing concrete and heat storage materials, a carbon fiber heat generation layer 4 formed by carbon fiber wires, a grounding shielding module 3 used for grounding shielding, a reflection layer 2 used for reflecting heat and a heat insulation layer 1 used for heat insulation, the carbon fiber heat generation layer 4 is arranged in the heat storage and heat preservation layer 5 or arranged below the heat storage and heat preservation layer 5 and is in close contact with the heat storage and heat preservation layer 5, reflection stratum 2 the heat insulation layer 1 is located heat storage heat preservation 5 with the lower part on carbon fiber heating layer 4, reflection stratum 2 will heat storage heat preservation 5 with the heat on carbon fiber heating layer 4 upwards reflects in order to prevent the heat to scatter and disappear downwards, ground connection shielding module 3 connects carbon fiber heating layer 4 and carries out ground protection, reflection stratum 2 is in on the heat insulation layer 1, heat storage heat preservation 5 absorbs the heat on carbon fiber heating layer 4 stores up, carbon fiber controller 104 is including setting up the average coefficient of heat transfer that each area and each face in heat supply space correspond, carbon fiber controller basis heat storage heat preservation heat storage ability and the calorific capacity control on carbon fiber heating layer the work on carbon fiber heating layer. According to the invention, a multi-level carbon fiber heat supply technology is adopted, various parameters and various auxiliary devices are set through the novel carbon fiber controller to obtain the temperature inside and outside a heat supply space, and meanwhile, the carbon fiber heat supply technology and the heat storage technology are combined to realize accurate heat storage and heat supply control. Meanwhile, the time interval is selected for heat storage, and the cost is saved by utilizing the peak-valley electricity price advantage.
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. The heat storage-based carbon fiber heat supply method is characterized by comprising the following steps of: the carbon fiber heating device based on heat storage comprises a carbon fiber collector, a carbon fiber controller and a carbon fiber heating unit, wherein 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, the carbon fiber heating unit comprises a heat storage heat preservation layer formed by mixing concrete and heat storage materials, a carbon fiber heating layer formed by carbon fiber wires, a ground shielding module used for ground shielding, a reflection layer used for reflecting heat and a heat insulation layer used for heat insulation, the carbon fiber heating layer is arranged in the heat storage heat preservation layer or arranged below the heat storage heat preservation layer and is in close contact with the heat storage heat preservation layer, and the reflection layer and the heat insulation layer are positioned at the lower parts of the heat storage heat preservation layer and the carbon fiber heating layer, the reflector layer will the heat accumulation heat preservation with the heat that the carbon fiber generates heat the layer upwards reflects in order to prevent that the heat scatters and disappears downwards, ground shield module connects the carbon fiber generates heat the layer and carries out ground protection, the reflector layer is in on the heat insulation layer, the heat accumulation heat preservation absorbs the heat that the carbon fiber generated heat the layer carries out the storage, including following step:
obtaining the temperature: setting the average temperature t1 kept by the heat supply space, and acquiring the average temperature t2 of the outdoor day of the next day;
acquiring the heat consumption of a heat supply space: acquiring the heat consumption Q of a heat supply space;
heat storage: controlling the carbon fiber heating layer to 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 heat supply according to the set heat supply space holding temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat storage of the heat storage and insulation layer, and if the heat supply space real-time temperature t5 is less than the set heat supply space holding temperature t1, controlling the carbon fiber controller to heat the carbon fiber heating layer for supplying heat.
2. A heat storage based carbon fiber heating method according to claim 1, wherein: the heat consumption Q also includes subtracting the heat gained by the space.
3. A heat storage based carbon fiber heating method according to claim 1, wherein: the heat consumption Q also comprises one or more of heat loss of heat transfer of the heat supply space and heat loss of air ventilation.
4. A heat storage based carbon fiber heating method according to claim 3, wherein: the heat consumption Q of the heat supply space 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 heating device based on heat accumulation, its characterized in that: the carbon fiber heating unit comprises a carbon fiber collector and a carbon fiber heating unit, wherein the carbon fiber collector comprises a carbon fiber controller and the carbon fiber heating unit, 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, the carbon fiber heating unit comprises a heat storage heat preservation layer formed by mixing concrete and heat storage materials, a carbon fiber heating layer formed by a carbon fiber wire, a ground shielding module for ground shielding, a reflecting layer for reflecting heat and a heat insulating layer for insulating heat, the carbon fiber heating layer is arranged in the heat storage heat preservation layer or arranged below the heat storage heat preservation layer and is in close contact with the heat storage heat preservation layer, and the reflecting layer and the heat insulating layer are positioned at the lower parts of the heat storage heat preservation layer and the carbon fiber heating layer, the reflection layer reflects the heat of the heat storage and insulation layer and the carbon fiber heating layer upwards to prevent the heat from being dissipated downwards, the grounding shielding module is connected with the carbon fiber heating layer and performs grounding protection, the reflection layer is arranged on the heat insulation layer, the heat storage and insulation layer absorbs the heat of the carbon fiber heating layer to store, the carbon fiber controller comprises a setting module, an outdoor temperature acquisition module for acquiring the average outdoor temperature, an intelligent heating module and a heat consumption acquisition module for acquiring the heat consumption of a heating space, the setting module sets the holding temperature t1 of the heating space and a heat storage time period, the outdoor temperature acquisition module acquires the average outdoor temperature t2 of the next day, the heat consumption acquisition module acquires the heat consumption Q of the heating space, and the carbon fiber controller controls the carbon fiber heating layer to heat 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 adjusts heat supply according to the set heat supply space keeping temperature t1 and the heat supply space real-time temperature t5 for releasing heat through heat accumulation, and if the heat supply space real-time temperature t5 is smaller than the set heat supply space keeping temperature t1, the carbon fiber controller controls the carbon fiber heating layer to heat and supplement heat supply.
6. The heat storage-based carbon fiber heating apparatus according to claim 5, wherein: 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 storage-based carbon fiber heating apparatus according to claim 5, wherein: the carbon fiber heating layer is embedded in the heat storage and insulation layer or is tightly attached to the bottom surface of the heat storage and insulation layer.
8. The heat storage-based carbon fiber heating apparatus according to claim 5, wherein: 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 storage-based carbon fiber heating apparatus according to claim 1, wherein: 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 storage-based carbon fiber heating apparatus according to claim 5, wherein: expansion joints are arranged in the heat storage and insulation layer.
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Application publication date: 20200211