CN114838509A - Photovoltaic coupling phase change thermal storage shingle nail composite heating system - Google Patents

Photovoltaic coupling phase change thermal storage shingle nail composite heating system Download PDF

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Publication number
CN114838509A
CN114838509A CN202210453335.3A CN202210453335A CN114838509A CN 114838509 A CN114838509 A CN 114838509A CN 202210453335 A CN202210453335 A CN 202210453335A CN 114838509 A CN114838509 A CN 114838509A
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CN
China
Prior art keywords
heat
container
phase change
water
heating
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Pending
Application number
CN202210453335.3A
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Chinese (zh)
Inventor
陶进
王迪
王俊莛
陈怡天
白文明
丑雪松
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Jilin University of Architecture and Technology
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Jilin University of Architecture and Technology
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Priority to CN202210453335.3A priority Critical patent/CN114838509A/en
Publication of CN114838509A publication Critical patent/CN114838509A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • 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
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • 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
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
    • F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
    • F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
    • 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
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/42—Cooling means
    • H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S2020/10—Solar modules layout; Modular arrangements
    • F24S2020/17—Arrangements of solar thermal modules combined with solar PV modules
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

Abstract

The invention relates to the technical field of heating, in particular to a photovoltaic coupling phase change heat storage shingle composite heating system which comprises a solar photovoltaic panel, a container, a heat collector and a water circulation component, wherein a phase change heat storage wall component is arranged on the outer side of the water circulation component and can store and release heat energy collected by the heat collector; the phase-change heat storage wall component is electrically connected with the phase-change heat storage wall component, and the phase-change heat storage wall component can generate and release heat energy after the phase-change heat storage wall component is electrified.

Description

Photovoltaic coupling phase change thermal storage shingle nail composite heating system
Technical Field
The invention relates to the technical field of heating, in particular to a photovoltaic coupling phase change heat storage shingle composite heating system.
Background
The heating is a building environment control technology, the earliest heating system is a heated brick bed, a stove, a fire wall, a fire ground and the like invented by people for resisting cold, along with the aggravation of the problem of energy shortage and the promotion of a low-carbon environmental protection policy, in order to respond to the call of national energy conservation and emission reduction and the development of low-carbon economy, the existing heating system has huge development space in the aspects of diversification of forms, effective utilization of energy and the like; solar energy, as a renewable energy source, has become an important component of energy sources used by human beings under the condition that fossil fuels are gradually reduced, and has considerable development prospects in the field of heating.
The solar heating has two modes of photo-thermal conversion heating and photovoltaic conversion heating; the photothermal conversion heating is a technology for collecting solar radiation by using a solar thermal collector and converting the solar radiation into heat energy for heating, and the photovoltaic conversion heating is a technology for converting light energy into electric energy by using a photovoltaic effect of a semiconductor interface and then generating heat energy for heating.
In the process of heating by light-heat conversion, the illumination condition is good in the daytime, and when more heat energy is provided, the environmental temperature is high and the indoor load is small; when the indoor load is large at night, no solar energy is provided for providing heat energy, and the heat energy provided by the solar energy is in inverse proportion to the heating demand, so that the improvement of the storage efficiency of the solar energy in the daytime is the key point and the difficulty of the photothermal conversion heating technology.
In the use process of photovoltaic conversion heating, along with the increase of the surface temperature of the solar photovoltaic panel, the output power of the solar photovoltaic panel can be reduced, the peak temperature coefficient of the solar photovoltaic panel is approximately-0.38-0.44%/DEG C, namely, the temperature is increased, the power generation quantity of the solar photovoltaic panel is reduced, under the hot sun, the highest temperature of some places of the solar photovoltaic panel can reach 80 ℃, the temperature can be reduced to be below 0 ℃ at midnight, the high-temperature working environment seriously influences the utilization efficiency of solar energy, and the service life of the solar photovoltaic panel can be influenced by huge temperature difference change.
And many dry and cold areas are in autumn and winter rainwater is less, and the air is drier, has formed the weather that the temperature is low and humidity is little, and along with the improvement of temperature, can accelerate the moisture in the evaporation chamber when adopting heating system to heat to lead to people's skin dry cracking even, this makes people's heating experience very unfriendly.
To sum up, how to improve the heat energy storage efficiency of the heating system, effectively ensure the photovoltaic conversion efficiency and the service life of the solar photovoltaic panel, and the more comfortable heating experience is the problem that needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention provides a photovoltaic coupling phase change heat storage wall panel composite heating system, which aims to improve the heat energy storage efficiency of a heating system, effectively ensure the photovoltaic conversion efficiency and the service life of a solar photovoltaic panel and ensure more comfortable heating experience.
The technical scheme of the invention is as follows:
the invention provides a photovoltaic coupling phase change heat storage shingle composite heating system which comprises a solar photovoltaic panel, wherein a transparent container is arranged on the outer surface of the solar photovoltaic panel, the lower surface of the container is fixedly attached and connected with the surface of the solar photovoltaic panel, a heat collector fixedly attached with the container is arranged on the outer side of the solar photovoltaic panel correspondingly to the upper surface of the container, water circulation assemblies fixedly communicated with the container in a sealing manner are arranged at two ends of the container, a phase change heat storage wall assembly is arranged on the outer side of the water circulation assembly, and the phase change heat storage wall assembly can store and release heat energy collected by the heat collector; the circuit output end of the solar photovoltaic panel is provided with a circuit component connected with the circuit output end through a conducting wire, the circuit component can store electric energy generated by the solar photovoltaic panel, the circuit component is electrically connected with the phase-change heat storage wall component, the phase-change heat storage wall component can generate and release heat energy after the phase-change heat storage wall component is electrified, and heating can be achieved when the phase-change heat storage wall component releases the heat energy.
Furthermore, the water circulation component comprises a container, a cold water pipe hermetically communicated with the container is arranged at the lower end of the container, a water tank communicated with the cold water pipe is arranged at the other end of the cold water pipe, and a water pump hermetically communicated with the water tank is arranged between the water tank and the cold water pipe; the inside of water tank is equipped with the filter layer, one side and the cold water pipe intercommunication of filter layer, the opposite side of filter layer is equipped with the ball-cock assembly with the water tank intercommunication, the other end and the outside water pipe intercommunication of ball-cock assembly, the upper end of container is equipped with the hot-water line of sealed intercommunication with it, the outside parcel of hot-water line has the heat preservation, the other end of hot-water line is equipped with the heat exchange tube of sealed fixed intercommunication with it, the other end of heat exchange tube is equipped with the wet return of sealed fixed connection with it, the other end of wet return is put through with the inside of water tank.
Furthermore, a heat insulation plate hinged with the inner wall of the container is arranged in the container, the space, positioned in the inclined container, of the upper part of the heat insulation plate is a heat collection cavity, and the heat collector is correspondingly positioned on the upper side of the heat collection cavity; the space of the lower part of the heat insulation plate, which is positioned in the inclined container, is a heat absorption cavity, and the solar photovoltaic panel is correspondingly positioned at the lower side of the heat absorption cavity.
Furthermore, the phase change heat storage wall assembly comprises a heat exchange tube, an inner wall body is arranged on the outer side of the heat exchange tube, a phase change material is filled in the inner wall body and positioned on the outer side of the heat exchange tube, and the phase change material is in direct contact with the outer surface of the heat exchange tube; the outside of heat exchange tube is located phase change material's inside and is equipped with heating cable, and the outside of interior wall body is equipped with the shingle nail of sealed fixed connection with it, is equipped with the cavity between the medial surface of shingle nail and the lateral surface of interior wall body, and the outside upper portion of shingle nail is equipped with the air pump with the sealed fixed intercommunication of cavity, and the outside lower part of shingle nail is equipped with the one-way discharge valve with the sealed fixed intercommunication of cavity, and the exhaust end of one-way discharge valve is located the outside of shingle nail and is equipped with the tripe air discharge window.
Furthermore, the heat exchange tube is made of a material with good heat conduction performance, a plurality of water stagnation grooves are formed in the vertical side wall portion of the heat exchange tube, the upper opening of each water stagnation groove is fixedly communicated with the side wall of the heat exchange tube in a sealing mode, a valve tube fixedly communicated with the water stagnation grooves in a sealing mode is arranged on the lower portion of each water stagnation groove, the other end of the valve tube penetrates through the phase change material to be communicated with the outer portion of the inner wall body, and a sliding valve in sliding connection with the valve tube is arranged inside the valve tube.
Furthermore, the circuit component comprises a solar photovoltaic panel, a charge-discharge controller connected with the circuit output end of the solar photovoltaic panel through a lead is arranged at the circuit output end of the solar photovoltaic panel, the charge-discharge controller is electrically connected with the storage battery, an inverter electrically connected with the charge-discharge controller is arranged on the outer side of the charge-discharge controller, an adapter electrically connected with the inverter is arranged on the outer side of the inverter, and a heating controller electrically connected with the adapter is arranged on the outer side of the adapter; the control end of the heating controller is provided with a temperature and humidity sensor, a temperature sensor, a vacuum sensor and a control panel which are electrically connected with the temperature and humidity sensor, the temperature sensor, the vacuum sensor and the control panel; the output end of the heating controller is electrically connected with the water pump, the air pump and the heating cable.
Furthermore, temperature and humidity sensor fixed mounting is in the outside of shingle nail, and temperature and humidity sensor can the automated inspection shingle nail outside humiture and turn into electric signal transmission for heating controller with it in the course of the work.
Furthermore, the temperature sensor is fixedly and hermetically arranged inside the heat collection cavity, and the temperature sensor can automatically detect the temperature value inside the heat collection cavity and convert the temperature value into an electric signal to be transmitted to the heating controller during working.
Furthermore, the vacuum sensor is fixedly and hermetically arranged in the cavity, and can automatically detect the vacuum state in the cavity during working and transmit the electric signal to the heating controller.
Furthermore, control panel can install in suitable position according to user's demand, also can be through the form of remote control and heating controller wireless connection, and the last button that is equipped with of control panel, the user can convey command signal to heating controller through control panel.
The invention achieves the following beneficial effects:
the solar photovoltaic heat collector adopts a water circulation design that the container, the cold water pipe, the water tank, the hot water pipe, the heat exchange pipe, the water return pipe and the water pump are communicated, not only can the physical cooling of the solar photovoltaic panel be completed, but also the preheating of water entering the heat collection cavity can be realized, the structure not only prevents the solar photovoltaic panel from working in a high-temperature environment, effectively ensures the power generation efficiency of the solar photovoltaic panel, but also improves the working efficiency of the heat collector by preheating the water entering the heat collection cavity in advance, and directly stores the heat energy of sunlight through the phase change material.
The water stagnation groove arranged on the side wall part of the heat exchange tube increases the contact area of the heat exchange tube and the phase change material, further improves the heat exchange efficiency, and meanwhile can lead the water flow passing through the heat exchange tube to stagnate in the water stagnation groove, the water in the water stagnation groove is heated and evaporated into water vapor through the heat released by the phase change material, and then is discharged together after being mixed with the air heated in the cavity through the slide valve, so that the heating and the humidifying are combined ingeniously, and a user has better heating experience when using the heat exchange tube.
According to the invention, the outer side of the inner wall body is provided with the wall panel which is fixedly connected with the inner wall body in a sealing manner, a cavity is arranged between the inner side surface of the wall panel and the outer side surface of the inner wall body, the upper part of the outer side of the wall panel is provided with the air pump which is fixedly communicated with the cavity in a sealing manner, and the lower part of the outer side of the wall panel is provided with the one-way exhaust valve which is fixedly communicated with the cavity in a sealing manner.
The invention adopts the evaporated steam to mix with the heated air in the working process, thereby not only completing the heating, but also realizing the humidification; the solar energy heat supply system utilizes the heat storage and release of the phase-change material, and simultaneously effectively solves the problems of intermittence and instability in the solar energy utilization process through an auxiliary heat mode combining storage battery power supply and power grid direct power supply, effectively makes up for the defect of a single heat source, ensures the stable operation of the whole system, and fully utilizes renewable energy sources, thereby reducing the heating operation cost and the carbon emission in the heating process, and is very suitable for being used in heating in dry and cold areas in the north of China.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention; FIG. 2 is an enlarged view of the first part of FIG. 1; FIG. 3 is an enlarged view of the second part of FIG. 1; fig. 4 is an enlarged schematic view of the structure of the third part in fig. 1.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, the invention provides a photovoltaic coupling phase change thermal storage shingle composite heating system, which includes a container 1, the material of the container 1 is a transparent material with good structural rigidity and strength, in this embodiment, a high temperature resistant organic glass plate is preferably used and is sealed and bonded by an adhesive, and certainly, other materials which are convenient to process and manufacture and can meet the use performance can be used, such as a transparent glass material and a transparent plastic material.
As shown in fig. 1 and 2, a heat insulation plate 2 hinged to the inner wall of the container 1 is disposed inside the container 1, the heat insulation plate 2 can divide the container 1 into two spaces, as shown in fig. 2, the space at the upper part of the heat insulation plate 2 inside the container 1 disposed obliquely is a heat collection chamber 3, the space at the lower part of the heat insulation plate 2 inside the container 1 disposed obliquely is a heat absorption chamber 4, and the heat insulation plate 2 is made of a material with good heat resistance and heat insulation performance, such as a ceramic fiber material, a crystal fiber material, a zirconium-containing fiber material, a high aluminum fiber material, etc., so that the heat insulation plate 2 can better reduce the temperature exchange between the heat collection chamber 3 and the heat absorption chamber 4, and ensure a stable temperature difference between the heat collection chamber 3 and the heat absorption chamber 4.
As shown in fig. 1 and 2, the container 1 is disposed in an inclined manner in the outdoor sunlight, a heat collector 13 fixedly attached to the surface of the container 1 is disposed above the heat collecting cavity 3 on the upper inclined surface of the container 1, the heat collector 13 belongs to the prior art, and the specific structure thereof is not described herein again, and the heat collector 13 can collect the heat energy of the sunlight and transmit the heat energy to the heat collecting cavity 3 through the upper inclined surface of the container 1 when in operation; the lower inclined plane of container 1 is located the below of heat absorption chamber 4 and is equipped with the solar photovoltaic board 14 with container 1 laminating, and solar photovoltaic board 14 belongs to prior art, and its concrete structure here is not repeated, and at the during operation, sunshine can pierce through container 1 and shine on the surface of solar photovoltaic board 14, and the photovoltaic special effect of solar photovoltaic board 14 should be able to change light energy into electric energy, and the absorbed heat energy of solar photovoltaic board 14 under the sunshine can be transferred to heat absorption chamber 4 simultaneously.
As shown in fig. 1, a cold water pipe 5 hermetically communicated with the container 1 is arranged at the lower end of the container, a water tank 6 communicated with the other end of the cold water pipe 5 is arranged at the other end of the cold water pipe 5, and a water pump 7 hermetically communicated with the water tank 6 and the cold water pipe 5 is arranged between the water tank 6 and the cold water pipe 5; the inside of water tank 6 is equipped with filter layer 8, one side and the cold water pipe 5 intercommunication of filter layer 8, the opposite side of filter layer 8 is equipped with the ball-cock assembly 9 with the water tank 6 intercommunication, ball-cock assembly 9's the other end and the outside water pipe intercommunication, when the inside water level of water tank 6 is less than ball-cock assembly 9's settlement water level, ball-cock assembly 9 will open the valve automatically, carry outside running water to the inside of water tank 6, restart water pump 7 just can carry the inside running water of water tank 6 to the inside of container 1 through cold water pipe 5 after the filter layer 8 filters again.
As shown in fig. 1, a hot water pipe 10 hermetically communicated with the upper end of the container 1 is arranged at the upper end of the container, an insulating layer 11 is wrapped on the outer side of the hot water pipe 10, the insulating layer 11 is made of a material with a good heat insulation effect, such as rock wool, glass wool, polyurethane, rubber and plastic sponge, and the like, and the insulating layer 11 can not only protect the hot water pipe 10, but also prevent the hot water pipe 10 from being directly exposed outside to cause heat loss; the preferred adoption glass wool of this embodiment wraps up in the outside of hot-water line 10, because the density and the volume of glass wool are all less, have good erosion resistance and heat insulating ability again, not only it is effectual to keep warm, but also can be buried in wall and ground to the construction is also very simple and convenient.
As shown in fig. 3, the other end of the hot water pipe 10 is provided with a heat exchange pipe 12 fixedly connected to the other end in a sealing manner, the heat exchange pipe 12 is made of a material with good heat conductivity, such as carbon steel, low alloy steel, stainless steel, copper-nickel alloy, aluminum alloy, titanium, etc., and of course, other non-metallic materials meeting the use requirements of the heat exchange pipe can be selected, such as graphite, ceramic, polytetrafluoroethylene; the structural shape of the heat exchange tubes 12 can be set as a circuitous curve, an extended spiral and the like according to the use scene, and the number of the heat exchange tubes 12 can be set as a plurality according to the capacity of the heat collection cavity 3 and the heat collection efficiency in parallel; in the embodiment, a plurality of straight-through linear heat exchange tubes 12 which are arranged in parallel and vertically are preferably adopted; the adoption of a plurality of vertically arranged straight pipes can simplify the production process of the heat exchange pipe 12 and reduce the cost of the invention while ensuring the heat exchange efficiency.
As shown in fig. 1 and 3, an inner wall 15 is arranged on the outer side of the heat exchange tube 12, a phase change material 16 is filled inside the inner wall 15 and positioned on the outer side of the heat exchange tube 12, the phase change material 16 is in direct contact with the outer surface of the heat exchange tube 12, and the phase change material 16 can absorb and store heat energy of the heat exchange tube 12 during operation; the other end of the heat exchange pipe 12 is provided with a return pipe 17 fixedly connected with the other end of the heat exchange pipe 12 in a sealing manner, and the other end of the return pipe 17 is connected to the upper surface of the water tank 6 and communicated with the inside of the water tank 6, so that hot water entering the heat exchange pipe 12 replaces heat energy to the phase change material 16 and then enters the inside of the water tank 6 again through the return pipe 17, and water circulation is completed.
As shown in fig. 3, a plurality of water retention grooves 18 are formed in the vertical side wall portion of the heat exchange tube 12, an opening at the upper portion of each water retention groove 18 is in sealed fixed communication with the side wall of the heat exchange tube 12, a valve tube 19 in sealed fixed communication with the lower portion of each water retention groove 18 is arranged at the lower portion of each water retention groove 18, the other end of each valve tube 19 penetrates through the phase change material 16 to be communicated with the outside of the inner wall 15, a slide valve 20 in sliding connection with the valve tube 19 is arranged inside the valve tube 19, the water retention grooves 18 in the structural design increase the contact area between the heat exchange tube 12 and the phase change material 16, the heat exchange efficiency is further improved, water passing through the heat exchange tube 12 can be retained inside the water retention grooves 18, the slide valves 20 can naturally slide downwards without external force, the inside of the heat exchange tube 12 is communicated with the outside of the inner wall 15, and when the slide valves 20 slide upwards under the external force, the inside of the heat exchange tube 12 is sealed and isolated from the outside of the inner wall 15.
As shown in fig. 1 and 3, a heating cable 25 is arranged on the outer side of the heat exchange tube 12 inside the phase change material 16, the heating cable 25 can generate heat after being electrified, and the phase change material can absorb and store heat energy generated by the heating cable 25.
As shown in fig. 3 and 4, a wall panel 21 is arranged on the outer side of the inner wall 15 and fixedly connected with the outer side of the inner wall in a sealing manner, a cavity 22 is arranged between the inner side of the wall panel 21 and the outer side of the inner wall 15, an air pump 23 fixedly connected with the cavity 22 in a sealing manner is arranged on the upper portion of the outer side of the wall panel 21, a one-way exhaust valve 24 fixedly connected with the cavity 22 in a sealing manner is arranged on the lower portion of the outer side of the wall panel 21, and a louver exhaust window 30 is arranged on the outer side, located on the wall panel 21, of the exhaust end of the one-way exhaust valve 24; the working principle and the specific structure of the air pump 23 belong to the prior art, and are not described herein, and when the air pump 23 rotates forwards, the air in the cavity 22 can be pumped out to the outer side of the wall panel 21 until the interior of the cavity 22 is pumped into a vacuum state; when the air pump 23 rotates reversely, the air outside the wall panel 21 can be pumped to the inside of the cavity 22 and discharged from the one-way exhaust valve 24, and when the air discharged from the one-way exhaust valve 24 passes through the louver 30, the air can be discharged more flexibly, and the direction of the air discharge can be changed by adjusting the angle of the louver 30.
As shown in fig. 1, the circuit output end of the solar photovoltaic panel 14 is provided with a charge and discharge controller connected with the solar photovoltaic panel through a wire, the charge and discharge controller belongs to the prior art, details of the specific structure principle of the charge and discharge controller are omitted, the charge and discharge controller is electrically connected with the storage battery, the charge and discharge controller can control the charge and discharge of the storage battery, the overcharge and overdischarge of the storage battery are automatically prevented, the cycle charge and discharge frequency and the discharge depth of the storage battery have important influence on the service life of the storage battery, and therefore the charge and discharge controller can effectively guarantee the service life of the storage battery.
An inverter electrically connected with the charge and discharge controller is arranged on the outer side of the charge and discharge controller, the inverter belongs to the prior art, the specific structural principle of the inverter is not described herein any more, the inverter can convert the direct current output by the storage battery into alternating current, an adapter electrically connected with the inverter is arranged on the outer side of the inverter, and a heating controller electrically connected with the adapter is arranged on the outer side of the adapter; in the working process, when heating is normally provided, the heating controller can be connected with the inverter through the adapter so as to ensure the normal operation of the heating controller; when the generated electricity is excessive, an external power grid can be connected with the inverter through the adapter so as to reduce part of domestic electricity; when the electric quantity of the storage battery is not enough to provide heating, the heating controller can be connected with the power grid through the adapter, so that the heating controller can be normally used when the power generation is insufficient.
As shown in fig. 1, a temperature and humidity sensor 26, a temperature sensor 27, a vacuum sensor 28 and a control panel 29 are electrically connected with the control end of the heating controller; temperature and humidity sensor 26 is fixed mounting in the outside of shingle nail 21, and temperature and humidity sensor 26 can automated inspection shingle nail 21 outside humiture and convert it into the signal of telecommunication and transmit for heating controller in the course of the work.
The temperature sensor 27 is fixedly and hermetically installed inside the heat collecting cavity 3, and the temperature sensor 27 can automatically detect the temperature value inside the heat collecting cavity 3 and convert the temperature value into an electric signal to be transmitted to the heating controller during operation.
The vacuum sensor 28 is fixedly and hermetically installed inside the cavity 22, and the vacuum sensor 28 can automatically detect whether the inside of the cavity 22 is in a vacuum state during operation and transmit the vacuum state to the heating controller through an electric signal.
The control panel 29 can be installed at a suitable position according to the requirements of users, or can be wirelessly connected with the heating controller in a remote control mode, buttons are arranged on the control panel 29, and the users can transmit command signals to the heating controller through the control panel 29.
Meanwhile, the output end of the heating controller is electrically connected with the water pump 7, the air pump 23 and the heating cable 25, the heating controller can control the start and stop of the water pump 7, and tap water in the water tank 6 can be filtered by the filter layer 8 and then is conveyed into the container 1 through the cold water pipe 5 after the water pump 7 is started; the heating controller can control the air pump 23 to rotate forward and backward and stop, when the air pump 23 rotates forward, the air in the cavity 22 can be pumped out to the outer side of the wall panel 21, and when the heating controller receives an electric signal that the vacuum sensor 28 detects that the interior of the cavity 22 is in a vacuum state, the heating controller automatically controls the air pump 23 to stop rotating; when the heating controller controls the air pump 23 to reversely rotate, the air pump 23 can reversely pump the air outside the wall panel 21 into the cavity 22 and discharge the air from the one-way exhaust valve 24; the heating controller can control the power on/off of the heating cable 25, and the heating cable 25 can generate heat after being powered on.
In summary, when the present invention is used for heating, the container 1, the heat collector 13 and the solar photovoltaic panel 14 are integrally installed at a position where outdoor lighting conditions are better, the inner wall body 15 and the wall panel 21 are installed indoors, the wall panel 21 can be used as a partition wall or an indoor decorative wall, and other components of the present invention are properly arranged and correctly connected according to user requirements, so that the present system can be used for heating.
Under the irradiation of sunlight, the sunlight can penetrate through the container 1 and irradiate on the surface of the solar photovoltaic panel 14, the photovoltaic special effect of the solar photovoltaic panel 14 can convert light energy into electric energy, and the storage battery can charge and store the electric energy generated by the solar photovoltaic panel 14 for later use through the charge-discharge controller.
Meanwhile, the heat collector 13 can collect the heat energy of the sunlight and transmit the heat energy to the heat collecting cavity 3 through the upper inclined surface of the container 1, after the water in the heat collecting cavity 3 is heated to a certain temperature, the temperature sensor 27 can automatically detect the temperature value in the heat collecting cavity 3 and convert the temperature value into an electric signal to transmit the electric signal to the heating controller, the heating controller starts the water pump 7 to filter the tap water in the water tank 6 through the filter layer 8 and then transmit the tap water to the container 1 through the cold water pipe 5, when the tap water is transmitted to the container 1, the tap water firstly enters the heat absorption cavity 4 to absorb the heat energy of the solar heating pipe 14, the water in the heat absorption cavity 4 pushes the heat energy 2 upwards to enter the heat collecting cavity 3, so that the heat energy of the solar photovoltaic panel 14 is transmitted to the heat collecting cavity 3, the heated hot water in the heat collecting cavity 3 which is heated by the heat collector 13 originally enters the heat exchange pipe 12 through the hot water pipe 10, the hot water entering the heat exchange pipe 12 replaces the heat energy to the phase change material 16 and then enters the water tank 6 again through the water return pipe 17; this design is through simple structure, has accomplished the physics cooling to solar photovoltaic board 14 simultaneously to and to getting into preheating of the inside water in thermal-arrest chamber 3, has both avoided solar photovoltaic board 14 to be in high temperature environment at work, and effectual assurance solar photovoltaic board 14's generating efficiency also preheats in advance through the water to getting into thermal-arrest chamber 3 inside, has improved the work efficiency of heat collector 13, and has directly stored the heat energy of sunshine through phase change material 16.
When the daytime environment temperature is high and heating is not needed, a user can operate the control panel 29 to enable the heating controller to control the air pump 23 to rotate forwards, air in the cavity 22 is pumped out to the outer side of the wall panel 21, and the heating controller automatically controls the air pump 23 to stop rotating until the heating controller receives an electric signal that the vacuum sensor 28 detects that the interior of the cavity 22 is in a vacuum state; the design realizes the heat preservation of the phase-change material by utilizing the vacuum environment formed by the cavity when the air pump pumps air, thereby effectively enhancing the heat energy storage efficiency of the invention; while the air pump 23 pumps the air in the cavity 22 to the outside of the wall panel 21, the slide valve 20 slides upwards under the suction force of the air pump 23, so that the inside of the heat exchange tube 12 is sealed and isolated from the outside of the inner wall 15; when the interior of the cavity 22 is in a vacuum state, the phase change material 16 is effectively prevented from releasing absorbed heat energy.
When the temperature and humidity sensor 26 automatically detects that the temperature outside the wall panel 21 is lower than a set value in the working process, the heating controller can automatically control the air pump 23 to rotate reversely; or when a user needs to heat, the control panel 29 can be operated to enable the heating controller to control the air pump 23 to reversely rotate, when the air pump 23 reversely rotates, the low-temperature air outside the wall panel 21 can be reversely pumped into the cavity 22, when the phase-change material 16 in the cavity 22 meets the low-temperature air, the heat energy stored in the cavity can be released, the heat energy released by the phase-change material 16 can heat the air, and the heated air can be finally discharged from the one-way exhaust valve 24, so that the heating is realized; the design utilizes the air flow circulation when the air pump 23 is inflated to improve the heating effect, so that people have more comfortable heating experience when using the invention.
During heating, because the low-temperature air outside the wall panel 21 is pumped into the cavity 22, the slide valve 20 slides downwards naturally without being attracted by suction force, so that the inside of the heat exchange tube 12 is communicated with the outside of the inner wall 15, and the water inside the water retention tank 18 is evaporated into water vapor under the heating of the heat energy released by the phase change material 16 and mixed with the heated air to be discharged from the one-way exhaust valve 24, thereby achieving the purpose of completing air humidification during heating.
When the temperature and humidity sensor 26 automatically detects that the humidity outside the wall panel 21 is lower than a set value in the heating process, or the temperature sensor 27 detects that the temperature value inside the heat collecting cavity 3 is lower than the set value, the heating controller can automatically start the water pump 7, after the water pump 7 is started, tap water inside the water tank 6 can be filtered by the filter layer 8 and then conveyed to the inside of the container 1 through the cold water pipe 5, then enters the inside of the heat exchange pipe 12 through the hot water pipe 10, and finally enters the inside of the water tank 6 again through the water return pipe 17, in the process of water circulation under the action of the water pump 7, cold water can absorb a part of heat energy in the phase change material through the inside of the heat exchange pipe 12, so that the whole water circulation system keeps a certain temperature, the problem that the system cannot be normally used due to the freezing of the water inside the container 1 at a low temperature is avoided, and water inside the stagnant water tank 18 can be supplemented, to ensure that the air is continually humidified.
When the temperature and humidity sensor 26 automatically detects that the temperature outside the wall panel 21 is higher than a set value in the working process, the heating controller can automatically control the air pump 23 to rotate forwards; when the air pump 23 rotates forwards, air in the cavity 22 can be pumped out to the outer side of the wall panel 21, and the air pump 23 is automatically controlled by the heating controller to stop rotating when the heating controller receives an electric signal that the vacuum sensor 28 detects that the interior of the cavity 22 is in a vacuum state; the design can avoid overhigh temperature in the heating process, can also reduce the loss of heat energy and saves the heating cost.
When the heat energy stored in the phase-change material 16 is insufficient, the heating controller can automatically control the heating cable 25 to be electrified, the heating cable 25 can generate heat after being electrified, and the phase-change material 16 can absorb and store the heat energy generated by the heating cable 25 so as to ensure normal heating.
When the electric capacity in the storage battery is not enough to provide heating, the heating controller can be connected with the power grid through the adapter, so that the heating controller can be normally used when the power generation is insufficient.
In a word, the invention adopts the evaporated steam to mix with the heated air in the working process, thereby not only completing the heating, but also realizing the humidification; the solar energy utilization system effectively solves the problems of intermittence and instability in the solar energy utilization process by utilizing the heat storage and release of the phase-change material and simultaneously by an auxiliary heating mode of combining the storage battery power supply with the direct power supply of a power grid; when solar radiation is sufficient, heat energy is stored through the phase change heat storage wall panel, electric quantity generated by photovoltaic power generation is stored through the storage battery, and when the solar energy is insufficient or no solar energy exists, the heat energy is released to meet room heating; when no sunlight exists at night and the phase change heat storage energy cannot meet the requirement of room heating, the heating cable can be started by the electric energy of the storage battery or the power grid to assist in heating, so that the defect of a single heat source is effectively overcome, the stable operation of the whole system is guaranteed, the renewable energy is fully utilized, the heating operation cost is reduced, the carbon emission in the heating process is reduced, and the solar energy heat storage system is very suitable for being used in heating in dry and cold areas in the north of China.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a photovoltaic coupling phase change heat storage shingle nail composite heating system which characterized in that: the solar heat collector comprises a solar photovoltaic panel, wherein a transparent container is arranged on the outer surface of the solar photovoltaic panel, the lower surface of the container is fixedly attached and connected with the surface of the solar photovoltaic panel, a heat collector fixedly attached to the container is arranged on the outer side of the solar photovoltaic panel corresponding to the upper surface of the container, water circulation assemblies fixedly communicated with the container in a sealing mode are arranged at two ends of the container, a phase-change heat storage wall assembly is arranged on the outer side of the water circulation assemblies, and the phase-change heat storage wall assembly can store and release heat energy collected by the heat collector; the circuit output end of the solar photovoltaic panel is provided with a circuit component connected with the circuit output end through a conducting wire, the circuit component can store electric energy generated by the solar photovoltaic panel, the circuit component is electrically connected with the phase-change heat storage wall component, the phase-change heat storage wall component can generate and release heat energy after the phase-change heat storage wall component is electrified, and heating can be achieved when the phase-change heat storage wall component releases the heat energy.
2. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 1, characterized in that: the water circulation component comprises a container, a cold water pipe hermetically communicated with the container is arranged at the lower end of the container, a water tank communicated with the cold water pipe is arranged at the other end of the cold water pipe, and a water pump hermetically communicated with the water tank is arranged between the water tank and the cold water pipe; the inside of water tank is equipped with the filter layer, one side and the cold water pipe intercommunication of filter layer, the opposite side of filter layer is equipped with the ball-cock assembly with the water tank intercommunication, the other end and the outside water pipe intercommunication of ball-cock assembly, the upper end of container is equipped with the hot-water line of sealed intercommunication with it, the outside parcel of hot-water line has the heat preservation, the other end of hot-water line is equipped with the heat exchange tube of sealed fixed intercommunication with it, the other end of heat exchange tube is equipped with the wet return of sealed fixed connection with it, the other end of wet return is put through with the inside of water tank.
3. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 2, characterized in that: a heat insulation plate hinged with the inner wall of the container is arranged in the container, the space, positioned in the inclined container, of the upper part of the heat insulation plate is a heat collection cavity, and the heat collector is correspondingly positioned on the upper side of the heat collection cavity; the space of the lower part of the heat insulation plate, which is positioned in the inclined container, is a heat absorption cavity, and the solar photovoltaic panel is correspondingly positioned at the lower side of the heat absorption cavity.
4. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 2, characterized in that: the phase change heat storage wall assembly comprises a heat exchange tube, an inner wall body is arranged on the outer side of the heat exchange tube, a phase change material is filled in the inner wall body and positioned on the outer side of the heat exchange tube, and the phase change material is in direct contact with the outer surface of the heat exchange tube; the outside of heat exchange tube is located phase change material's inside and is equipped with heating cable, and the outside of interior wall body is equipped with the shingle nail of sealed fixed connection with it, is equipped with the cavity between the medial surface of shingle nail and the lateral surface of interior wall body, and the outside upper portion of shingle nail is equipped with the air pump with the sealed fixed intercommunication of cavity, and the outside lower part of shingle nail is equipped with the one-way discharge valve with the sealed fixed intercommunication of cavity, and the exhaust end of one-way discharge valve is located the outside of shingle nail and is equipped with the tripe air discharge window.
5. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 4, characterized in that: the heat exchange tube is made of materials with good heat conduction performance, a plurality of water stagnation grooves are formed in the vertical side wall portion of the heat exchange tube, the upper opening of each water stagnation groove is fixedly communicated with the side wall of the heat exchange tube in a sealing mode, a valve tube fixedly communicated with the water stagnation grooves in a sealing mode is arranged on the lower portion of each water stagnation groove, the other end of each valve tube penetrates through the phase change materials to be communicated with the outer portion of the inner wall, and a sliding valve connected with the valve tube in a sliding mode is arranged inside the valve tube.
6. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 1, characterized in that: the circuit component comprises a solar photovoltaic panel, a charge-discharge controller connected with the circuit output end of the solar photovoltaic panel through a lead is arranged at the circuit output end of the solar photovoltaic panel, the charge-discharge controller is electrically connected with a storage battery, an inverter electrically connected with the charge-discharge controller is arranged on the outer side of the charge-discharge controller, an adapter electrically connected with the inverter is arranged on the outer side of the inverter, and a heating controller electrically connected with the adapter is arranged on the outer side of the adapter; the control end of the heating controller is provided with a temperature and humidity sensor, a temperature sensor, a vacuum sensor and a control panel which are electrically connected with the temperature and humidity sensor, the temperature sensor, the vacuum sensor and the control panel; the output end of the heating controller is electrically connected with the water pump, the air pump and the heating cable.
7. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 6, characterized in that: temperature and humidity sensor fixed mounting in the outside of shingle nail, temperature and humidity sensor can the automated inspection shingle nail outside the humiture and turn into the signal of telecommunication with it and give heating controller in the course of the work.
8. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 6, characterized in that: the temperature sensor is fixedly and hermetically arranged inside the heat collection cavity, and can automatically detect the temperature value inside the heat collection cavity and convert the temperature value into an electric signal to be transmitted to the heating controller during working.
9. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 6, characterized in that: the vacuum sensor is fixedly and hermetically arranged in the cavity, and can automatically detect the vacuum state in the cavity during working and transmit the vacuum state to the heating controller through an electric signal.
10. The photovoltaic coupling phase change thermal storage shingle composite heating system of claim 6, characterized in that: the control panel can be installed in suitable position according to user's demand, also can be through the form of remote control and heating controller wireless connection, be equipped with the button on the control panel, the user can give heating controller with command signal transfer through control panel.
CN202210453335.3A 2022-04-27 2022-04-27 Photovoltaic coupling phase change thermal storage shingle nail composite heating system Pending CN114838509A (en)

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CN202210453335.3A CN114838509A (en) 2022-04-27 2022-04-27 Photovoltaic coupling phase change thermal storage shingle nail composite heating system

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Application Number Priority Date Filing Date Title
CN202210453335.3A CN114838509A (en) 2022-04-27 2022-04-27 Photovoltaic coupling phase change thermal storage shingle nail composite heating system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575606A (en) * 2023-07-13 2023-08-11 广东金信华建设工程有限公司 Green building wall structure and green building

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575606A (en) * 2023-07-13 2023-08-11 广东金信华建设工程有限公司 Green building wall structure and green building
CN116575606B (en) * 2023-07-13 2023-09-12 广东金信华建设工程有限公司 Green building wall structure and green building

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