CN108151209B - Natural energy source air conditioner - Google Patents
Natural energy source air conditioner Download PDFInfo
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- CN108151209B CN108151209B CN201711409171.XA CN201711409171A CN108151209B CN 108151209 B CN108151209 B CN 108151209B CN 201711409171 A CN201711409171 A CN 201711409171A CN 108151209 B CN108151209 B CN 108151209B
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- heat
- heat exchanger
- heat storage
- air conditioner
- natural energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention provides a natural energy air conditioner, which comprises a heat storage device, a heat storage device and a heat pump, wherein the heat storage device is used for absorbing, transferring and storing heat; the heat dissipation device comprises a heat exchanger and a heat dissipation fan, the heat exchanger exchanges heat with the heat storage device, and the heat dissipation fan is used for dissipating the heat replaced by the heat exchanger to the ambient air; the heat storage device comprises a heat pipe and a heat storage tank connected with the heat pipe, a heat pipe working medium is filled in the heat pipe, a heat storage unit made of a phase change material is arranged in the heat storage tank, the heat pipe working medium transfers heat to the heat storage tank through gas-liquid phase change, and the heat storage unit stores and releases heat through solid-liquid phase change. The heat storage device adopts the heat pipe filled with the heat pipe working medium and the heat storage tank provided with the heat storage unit made of the phase change material, and the phase change of the substance is utilized to realize the high-efficiency storage and conversion of heat, so that the volume of the heat storage tank is obviously reduced relative to that of the water storage tank, and the structure is simpler.
Description
Technical Field
The present invention relates to an air conditioner, and more particularly, to a natural energy air conditioner capable of heating air using solar energy.
Background
Since the emission concentration of carbon dioxide and harmful gases is increasing, the climate abnormality, ecological damage and human health hazard are becoming more apparent, the global ecological environment is a permanent operation for living, people are prompted to become alert again after energy crisis and need to fully reduce the urgency of relying on traditional petrochemical fuels, and the importance of effectively utilizing renewable energy or natural energy is being reemphasized, therefore, the elimination of energy conversion devices with high energy consumption and high pollution, the active development of clean auxiliary alternative energy, and related energy conversion devices with high efficiency and low pollution become important subjects for scientific research and development.
The traditional air conditioner which is generally used by people for a long time has a far-reaching influence on the environment, and the used refrigerant is generally recognized as a first killer which destroys the earth ecology because the traditional air conditioner consumes energy; although the current scientific community remains a status on whether solar energy is likely to replace other energy sources in the near future, it is almost certain that solar energy will play an important role in some fields, particularly in the field of solar air conditioning.
The solar air conditioner usually needs to be provided with a heat storage and cold storage tank for stable operation, and the currently common storage medium is water. However, the following disadvantages are common in the use of water storage tanks: firstly, the cold storage density of water is low, and the volume of a water storage tank is large; secondly, water with different temperatures in the water storage tank is easy to mix, and the storage cold quantity in the water storage tank is influenced; secondly, the water is stored by sensible heat, and the energy storage and the temperature change range of the stored energy release are in direct proportion. The lower the stored energy temperature, the lower its stored energy. When the water temperature is lower than the lowest rated inlet water temperature of the refrigerator, the hot water at the temperature can not be utilized, and a large amount of residual heat and energy are wasted.
The phase-change material has large latent heat and basically keeps constant temperature in the solid-liquid phase-change process, and a heat storage device with compact structure and smart volume can be designed by using the phase-change heat storage material.
In view of the above, there is a need to provide a new natural energy air conditioner capable of storing energy by combining solar energy and phase change materials to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel natural energy air conditioner which can utilize clean energy to realize indoor and outdoor temperature regulation and avoid environmental pollution; and the structure is small, can realize high-efficient heat storage and release, solves among the prior art problem that the volume is too big, thermal conversion efficiency is not high.
In order to achieve the purpose, the invention adopts the following technical scheme: a natural energy air conditioner for realizing indoor and outdoor temperature regulation by using natural energy comprises: the heat storage device is used for absorbing, transferring and storing heat; the heat dissipation device comprises a heat exchanger and a heat dissipation fan, the heat exchanger exchanges heat with the heat storage device, and the heat dissipation fan is used for dissipating the heat replaced by the heat exchanger to the ambient air; the heat storage device comprises a heat pipe and a heat storage tank connected with the heat pipe, a heat pipe working medium is filled in the heat pipe, a heat storage unit made of a phase change material is arranged in the heat storage tank, the heat pipe working medium transfers heat to the heat storage tank through gas-liquid phase change, and the heat storage unit stores and releases heat through solid-liquid phase change.
As a further improved technical scheme of the invention, the heat pipe comprises a heating section and a cooling section, the heating section is horizontally arranged, the cooling section is arranged above the heating section in an angle manner, and the cooling section is arranged in the heat storage tank.
As a further improved technical scheme of the invention, the heat storage unit is a heat storage ball, and the melting point of the heat storage ball is 25-35 ℃.
As a further improved aspect of the present invention, the heat storage device further includes a lens provided outdoors for supplying the heat pipe with solar energy concentrated, and a shade provided above the lens, the shade being operable to move between an open position in which the lens is exposed and a closed position in which the lens is shielded.
As a further improved technical scheme of the invention, the heat storage device further comprises an exhaust fan arranged in a room, the exhaust fan blows indoor heat to the lower part of the heat pipe, and an openable air door is arranged between the exhaust fan and the heat pipe.
As a further improved aspect of the present invention, the heat exchanger includes a first heat exchanger provided in the heat storage tank, a second heat exchanger provided in the indoor space, and a third heat exchanger provided in the outdoor space, and the first heat exchanger is selectively in fluid communication with one of the second heat exchanger and the second heat exchanger.
As a further improved technical solution of the present invention, the heat sink further includes a pump disposed between the first heat exchanger and the second and third heat exchangers to promote the flow of the liquid.
As a further improved technical solution of the present invention, the heat dissipation fan includes a first fan and a second fan, the first fan is disposed at one side of the second heat exchanger to dissipate heat from the second heat exchanger to indoor air; the second fan is arranged at one side of the third heat exchanger to radiate heat from the third heat exchanger to outdoor air.
As a further improved technical scheme of the invention, the natural energy air conditioner further comprises a power supply device, wherein the power supply device comprises a photovoltaic panel and an electric cabinet, and the electric cabinet is electrically connected with the photovoltaic panel.
As a further improved technical solution of the present invention, the natural energy air conditioner has a cooling mode and a heating mode, and in the heating mode, the heat storage device absorbs outdoor solar energy and raises indoor temperature through the heat dissipation device; in the refrigeration mode, the heat storage device absorbs indoor heat to reduce the room temperature, and the heat is radiated to the outdoor through the heat radiation device; the natural energy air conditioner further comprises a temperature sensor, and the natural energy air conditioner automatically selects to start one of the cooling mode and the heating mode according to the detected temperature of the temperature sensor.
The invention has the beneficial effects that: compared with the prior art, the natural energy air conditioner provided by the invention has the advantages that the heat storage device adopts the heat pipes filled with the heat pipe working medium and the heat storage tank provided with the heat storage unit made of the phase change material, the high-efficiency storage and conversion of heat are realized by utilizing the phase change of the material, the complex structure that the condenser and the evaporator are utilized for heat exchange in the traditional air conditioner is avoided, and the defect of overlarge volume caused by using water as a heat storage medium is also avoided. The natural energy air conditioner not only adopts clean energy and has no pollution to the environment, but also has high energy efficiency and small structure volume, and is suitable for being used in mobile equipment (such as automobiles).
Drawings
Fig. 1 is a schematic structural view of a natural energy air conditioner according to a preferred embodiment of the present invention.
1. Heat pipe 2, heat storage tank 3, lens
4. First heat exchanger 5, sunshading board 6, exhaust fan
7. Third heat exchanger 8, second heat exchanger 9, first pump
10. Second pump 11, photovoltaic board 12, electric cabinet
13. First fan 14 and second fan
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and device, method, or functional modifications that may occur to those skilled in the art are intended to be included within the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Also, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or devices, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another.
As shown in fig. 1, a natural energy air conditioner according to the present invention can be installed on a roof of a building or a roof of an automobile to adjust the temperature inside and outside a room (or a vehicle). The natural energy air conditioner comprises a heat storage device, a heat storage device and a heat pump, wherein the heat storage device is used for absorbing, transferring and storing heat; the heat dissipation device comprises a heat exchanger and a heat dissipation fan, the heat exchanger exchanges heat with the heat storage device, and the heat dissipation fan is used for dissipating the heat replaced by the heat exchanger to the ambient air; the heat storage device comprises a heat pipe 1 and a heat storage tank 2 connected with the heat pipe 1, a working medium of the heat pipe 1 is filled in the heat pipe 1, a heat storage unit made of a phase-change material is arranged in the heat storage tank 2, the working medium of the heat pipe 1 transfers heat to the heat storage tank 2 through gas-liquid phase change, and the heat storage unit stores and releases heat through solid-liquid phase change.
In this embodiment, the heat pipe 1 transfers heat by using the gas-liquid phase change of the working medium of the heat pipe 1, the heat storage unit stores heat by using the solid-liquid phase change and releases the heat by using the heat dissipation device, and the heat storage device realizes efficient heat storage and release by using the phase change of the phase change material, thereby avoiding a complex structure of exchanging heat by using a condenser and an evaporator in the conventional air conditioner and also avoiding the defect of excessively large volume caused by using water as a heat storage medium. The natural energy air conditioner not only adopts clean energy and has no pollution to the environment, but also has high energy efficiency and small structure volume, and is suitable for being used in mobile equipment (such as automobiles).
The heat pipe 1 comprises a heating section (not marked) and a cooling section (not marked), the heating section is horizontally arranged, the cooling section is arranged above the heating section at an angle, and the cooling section is arranged in the heat storage tank 2. The structure of the heat pipe 1 is arranged in such a way, so that the rising movement of hot gas is convenient when the working medium of the heat pipe 1 is heated and evaporated, and the gliding of liquid is convenient when the working medium of the heat pipe 1 is condensed. Preferably, the cooling section extends upwards from the heating section in an arc-shaped bending manner, so that the rising of steam and the sliding of liquid are smooth and unimpeded, and the continuity of heat transfer is favorably maintained.
In the present embodiment, the heat storage means (not shown) is a heat storage ball having a melting point of 25 to 35 ℃. The heat storage tank 2 is filled with heat storage balls, and the cooling section is arranged in the heat storage tank 2 and is in contact with the heat storage balls. The working medium of the heat pipe 1 of the heating section is heated and evaporated to increase the air pressure of the part so as to drive the steam to move to the cooling section, the steam is condensed and released after rising to the cooling section, and the heat is transferred to the heat storage unit in the heat storage tank 2; the condensed liquid flows back down to the heating section to realize the heat exchange cycle of the heat pipe 1. Wherein, in the process of heating and vaporizing the working medium of the heat pipe 1, the heat pipe 1 absorbs heat, so that the temperature of the air near the heat pipe 1 is reduced, and the process can be utilized to realize the cooling of the room temperature; in addition, when the working medium of the heat pipe 1 is liquefied at the cooling section, heat is transferred to the heat storage ball, and the heat storage ball absorbs the heat until the heat reaches a melting point, so that the heat is converted from a solid state to a liquid state, and a large amount of heat is absorbed and stored for the heat dissipation device to continue to use.
In the present embodiment, the heat storage device further includes a lens 3 provided outdoors, the lens 3 being for supplying the heat pipe 1 with solar energy concentrated, and a shade 5 provided above the lens 3, the shade 5 being operable to move between an open position in which the lens 3 is exposed and a closed position in which the lens 3 is shielded. When the indoor temperature rise needs to be realized by utilizing solar energy, the sun shield 5 is opened to expose the lens 3, the lens 3 absorbs light and focuses heat on the heat pipe 1, so that working media of the heat pipe 1 in the heat pipe 1 are rapidly heated and evaporated, the heat is transferred to the heat storage tank 2 through the cooling section, and then the condensate flows back to the heating section to absorb heat again, so that the heat cycle in a small range is completed.
Preferably, the lens 3 is a fresnel lens 3, one surface of the lens surface of the fresnel lens 3 is a smooth surface, and the other surface is inscribed with concentric circles from small to large. Light enters from one side, passes through the Fresnel lens 3 and comes out from the other side to be focused into a point or to be emitted as parallel light. The Fresnel lens 3 has better light-gathering effect, thinner thickness and lower cost than the common convex lens 3. The Fresnel lens 3 is used for focusing sunlight to absorb heat outdoors and then the heat is released indoors through the heat dissipation device, and the process is suitable for the natural energy air conditioner to be used in winter. Of course, in summer, the sun visor 5 is in the closed position to avoid overheating of the Fresnel lens 3 by absorbing solar energy.
The heat storage device is still including locating indoor exhaust fan 6, exhaust fan 6 blows indoor heat extremely the below of heat pipe 1, exhaust fan 6 with be equipped with the air door that can open and close between the heat pipe 1. The indoor exhaust fan 6 is provided to be suitable for use in summer of the natural energy air conditioner. In summer, the sun shield 5 is closed, the indoor (especially in the vehicle) temperature is higher, the heat pipe 1 absorbs heat from the lower part, the transmission of indoor heat to the heat pipe 1 is accelerated by the arrangement of the exhaust fan 6, and a large amount of heat is taken away by the working medium of the heat pipe 1 in the process of heat absorption vaporization, so that the air at the bottom of the heat pipe 1 is rapidly cooled, and the temperature regulation effect is achieved. The damper is arranged opposite to the above-mentioned sun visor 5, and is opened in summer and closed in winter, so as to avoid that the temperature of the indoor space below the heat pipe 1 is reduced due to heat absorption through the opened space in the heat absorption process of the heat pipe 1 when the lens 3 is used in winter.
The construction of the heat storage device and the use states in winter and summer have been described in detail above, and in both the use states, the heat storage device absorbs and transfers heat by means of the heat pipe 1 and stores the heat by means of the heat storage tank 2, except that the temperature is raised indoors by absorbing solar energy outdoors in winter and the temperature is lowered outdoors by absorbing heat waves indoors and accelerating the discharge outdoors in summer. The heat sink will be further described below to facilitate an understanding of the two modes of operation of the natural energy air conditioner.
In the heat dissipating apparatus, the heat exchangers include a first heat exchanger 4, a second heat exchanger 8, and a third heat exchanger 7, the first heat exchanger 4 is disposed in the heat storage tank 2, the second heat exchanger 8 is disposed indoors, the third heat exchanger 7 is disposed outdoors, and the first heat exchanger 4 is selectively in fluid communication with one of the second heat exchanger 8 and the second heat exchanger 8. The first heat exchanger 4 exchanges heat with the heat storage unit in the heat storage tank 2 to transfer the heat stored in the heat storage tank 2 to the second heat exchanger 8 or the third heat exchanger 7, the second heat exchanger 8 is provided indoors, and after exchanging heat with the first heat exchanger 4, the heat of the second heat exchanger 8 is dissipated into the indoor air to cause the indoor temperature to rise, and thus it is known that the second heat exchanger 8 is activated in the winter mode. Conversely, the third heat exchanger 7 is provided outdoors, which radiates heat into the outdoor air, and thus the third heat exchanger 7 is adapted to be activated in the summer mode.
With continued reference to fig. 1, the heat sink further includes a pump disposed between the first heat exchanger 4 and the second and third heat exchangers 8, 7 to facilitate the flow of the liquid. In the present embodiment, the heat sink is provided with two pumps, the first pump 9 is arranged on a branch of the first heat exchanger 4 flowing to the second heat exchanger 8 for promoting the liquid flow between the first heat exchanger 4 and the second heat exchanger 8; a second pump 10 is provided on a branch of the first heat exchanger 4 flowing to the third heat exchanger 7 for promoting the flow of the liquid between the first heat exchanger 4 and the third heat exchanger 7; the first pump 9 and the second pump 10 are arranged in parallel. Of course, in a variant embodiment, the pump may also be arranged on the main line of the first heat exchanger 4, with two valves to control the passage of fluid to the second heat exchanger 8 or to the third heat exchanger 7, respectively.
In the present embodiment, the heat radiation fan of the heat radiation device includes a first fan 13 and a second fan 14, the first fan 13 is provided at the side of the second heat exchanger 8 to radiate heat from the second heat exchanger 8 to the indoor air; the second fan 14 is provided at a side of the third heat exchanger 7 to radiate heat from the third heat exchanger 7 to outdoor air. As for the specific arrangement of the first fan 13 and the second fan 14, the technical means are well known to those skilled in the art, and are not described herein.
With continued reference to fig. 1, the natural energy air conditioner further includes a power supply device, the power supply device includes a photovoltaic panel 11 and an electric cabinet 12, and the electric cabinet 12 is electrically connected to the photovoltaic panel 11. The photovoltaic panel 11 collects solar energy to generate electricity autonomously, so that the natural energy air conditioner further practices a green pollution-free environment protection concept. The power supply for controlling the opening and closing of the sun shield 5 and the air door and the power supply for controlling the operation of the pump and the fan are all from the electric cabinet 12, in other words, the above structures are all electrically connected with the electric cabinet 12.
As described above, the natural energy air conditioner according to the present embodiment has a heating mode suitable for use in winter and a cooling mode suitable for use in summer, and in the heating mode, the heat storage device absorbs outdoor solar energy and increases indoor temperature by the heat radiation device; in the cooling mode, the heat storage device absorbs indoor heat to lower the room temperature, and the heat is dissipated to the outside through the heat dissipation device. Furthermore, the natural energy air conditioner is also provided with a temperature sensor and a controller, the temperature sensor is arranged indoors, and the controller can automatically select to start one of the refrigeration mode and the heating mode according to the temperature detected by the temperature sensor.
Taking winter as an example, when sunshine is sufficient and heating needs exist, the air door is closed, the sun shading plate 5 is opened, the Fresnel lens 3 collects heat, the heat is transferred to the heat storage unit in the heat storage tank 2 through liquid-gas phase change of working media of the heat pipe 1 in the heat pipe 1, the heat storage unit is subjected to solid-liquid phase change in the continuous heat transfer process of the heat pipe 1, a large amount of heat is stored, the first pump 9 is started, liquid convection between the first heat exchanger 4 and the second heat exchanger 8 is promoted, the heat in the heat storage tank 2 is transferred to the second heat exchanger 8, the first fan 13 rotates, heat around the second heat exchanger 8 is diffused into indoor air in an acceleration mode, and the indoor air temperature is improved. On the contrary, the sun visor 5 is closed and the damper is opened, the second pump 10 is connected to the first heat exchanger 4 and the third heat exchanger 7, and the second fan 14 is rotated, so that the indoor heat is accelerated to be diffused to the outside, and the heat pipe 1 absorbs heat to lower the indoor air temperature.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A natural energy air conditioner for realizing indoor and outdoor temperature regulation by using natural energy comprises:
the heat storage device is used for absorbing, transferring and storing heat;
a heat dissipating device including a heat exchanger and a heat dissipating fan, the heat exchanger exchanging heat with the heat storage device,
the heat dissipation fan is used for dissipating the heat replaced by the heat exchanger to the ambient air;
the method is characterized in that: the heat storage device comprises a heat pipe and a heat storage tank connected with the heat pipe, a heat pipe working medium is filled in the heat pipe, a heat storage unit made of a phase change material is arranged in the heat storage tank, the heat pipe working medium transfers heat to the heat storage tank through gas-liquid phase change, the heat storage unit stores and releases heat through solid-liquid phase change, the heat pipe comprises a heating section and a cooling section, the heating section is horizontally arranged,
the cooling section by the heating section upwards extends with arcuately curved, the cooling section is located in the heat accumulation groove, the heat storage device is still including locating outdoor lens and locating indoor exhaust fan, lens are used for supplying solar energy with the focus the heat pipe, the exhaust fan will indoor heat blow extremely the below of heat pipe, heat exchanger includes first heat exchanger, second heat exchanger and third heat exchanger, first heat exchanger locates in the heat accumulation groove, the second heat exchanger locates indoorly, the third heat exchanger locates outdoors, first heat exchanger optionally with second heat exchanger with one of them of third heat exchanger passes through liquid intercommunication.
2. The natural energy air conditioner according to claim 1, wherein: the heat storage unit is a heat storage ball, and the melting point of the heat storage ball is 25-35 ℃.
3. The natural energy air conditioner according to claim 1, wherein: the thermal storage device further includes a visor disposed above the lens, the visor being operable to move between an open position exposing the lens and a closed position blocking the lens.
4. The natural energy air conditioner according to claim 1, wherein: an air door capable of being opened and closed is arranged between the exhaust fan and the heat pipe.
5. The natural energy air conditioner according to claim 1, wherein: the heat sink further includes a pump disposed between the first heat exchanger and the second and third heat exchangers to facilitate the flow of the liquid.
6. The natural energy air conditioner according to claim 1, wherein: the heat radiation fan comprises a first fan and a second fan, wherein the first fan is arranged at one side of the second heat exchanger to radiate heat from the second heat exchanger to indoor air; the second fan is arranged at one side of the third heat exchanger to radiate heat from the third heat exchanger to outdoor air.
7. The natural energy air conditioner according to claim 1, wherein: the natural energy air conditioner further comprises a power supply device, the power supply device comprises a photovoltaic panel and an electric cabinet, and the electric cabinet is electrically connected with the photovoltaic panel.
8. The natural energy air conditioner according to claim 1, wherein: the natural energy air conditioner has a cooling mode and a heating mode, and in the heating mode, the heat storage device absorbs outdoor solar energy and enables indoor temperature to rise through the heat dissipation device; in the refrigeration mode, the heat storage device absorbs indoor heat to reduce the room temperature, and the heat is radiated to the outdoor through the heat radiation device; the natural energy air conditioner further comprises a temperature sensor, and the natural energy air conditioner automatically selects to start one of the cooling mode and the heating mode according to the detected temperature of the temperature sensor.
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| CN206369290U (en) * | 2016-12-13 | 2017-08-01 | 浙江汇明节能科技有限公司 | A kind of cold accumulation air-conditioner based on hot pipe technique |
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