CN112539558A - Fuel cell hot water system and water heater - Google Patents
Fuel cell hot water system and water heater Download PDFInfo
- Publication number
- CN112539558A CN112539558A CN201910901398.9A CN201910901398A CN112539558A CN 112539558 A CN112539558 A CN 112539558A CN 201910901398 A CN201910901398 A CN 201910901398A CN 112539558 A CN112539558 A CN 112539558A
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- Prior art keywords
- fuel cell
- heat
- assembly
- water heater
- evaporator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention provides a fuel cell hot water system and a water heater, wherein the fuel cell hot water system is applied to a household water heater and comprises the following components: fuel cell assembly and water heater assembly, the fuel cell assembly with connect electrically between the water heater assembly, the fuel cell assembly is air cooling fuel cell subassembly, the air cooling fuel cell subassembly includes: pile and radiating piece, the radiating piece with the water heater assembly passes through the heat dissipation tube coupling, the radiating piece will the heat that the pile produced passes through the heat dissipation pipeline lets in the water heater assembly, so that the water heater assembly absorbs and utilizes the heat that the pile produced has solved among the prior art to the problem that fuel cell waste heat utilization rate is low excessively, has promoted fuel cell's heat recovery utilization efficiency.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a fuel cell water heating system and a water heater.
Background
In recent years, with the development of economy, people pay more attention to energy and environment problems, water heaters are one of essential devices of modern families and residences, water heaters heated by electricity and gas are more, however, no matter the water heaters heated by electricity or gas can cause energy loss and pollute the environment, in order to achieve the purposes of energy saving and emission reduction, some families use solar water heaters, but the solar water heaters have too many limitations, and the use of the solar water heaters is difficult to guarantee in areas with poor sunshine or more rainy days, so more and more families start to use heat pump type water heaters.
At present, heat pump type water heaters are more and more approved, the heat pump type water heaters carry out energy exchange by absorbing heat in the surrounding environment according to the principle of 'Carnot cycle', the types of heat pumps are more, household heat pump water heaters mainly use the principle of air heat pumps, air in the surrounding environment is sucked into an evaporator, the air is compressed by a compressor and then enters a condenser to absorb the heat, the absorbed heat is used for heating water in a water tank, the water is similar to the water in a heating mode of an air conditioner, the heat pump can normally work as long as the temperature of the environment is above 0 DEG because the heat in the environment is absorbed, but the heat pump still needs external energy to be driven when the heat pump works, if an external power supply is used for driving, the heat pump type water heaters have no essential difference from the common electric water heaters, and therefore, the problem of energy driving is solved by combining a fuel cell and the heat pump, the product of the fuel cell is water, so that the environment cannot be polluted, and the heat pump water heater using the fuel cell is clean and environment-friendly, thereby avoiding the waste of electric energy.
However, the heat pump water heater has some limitations, when the temperature of the surrounding environment is lower than 0 °, the heat pump is difficult to absorb the heat in the environment, and the fuel cell can generate heat spontaneously due to the chemical reaction generated in the fuel cell during the use process, so the heat generated by the fuel cell can be utilized to expand the applicability and stability of the heat pump water heater, and how to absorb and utilize the heat generated by the fuel cell to the maximum extent is a problem to be solved.
Disclosure of Invention
The invention provides a fuel cell hot water system and a water heater, which can improve the heat energy recycling efficiency of a fuel cell by absorbing the heat generated by the fuel cell in the fuel cell hot water system and heating the water in a hot water tank by using the heat.
The first aspect of the present invention provides a fuel cell hot water system for use in a domestic water heater, comprising:
fuel cell assembly and water heater assembly, the fuel cell assembly with connect electrically between the water heater assembly, the fuel cell assembly is air cooling fuel cell subassembly, the air cooling fuel cell subassembly includes: the heat dissipation device comprises a galvanic pile and a heat dissipation part, wherein the heat dissipation part is connected with the water heater assembly through a heat dissipation pipeline, and the heat generated by the galvanic pile is introduced into the water heater assembly through the heat dissipation pipeline by the heat dissipation part, so that the water heater assembly absorbs and utilizes the heat generated by the galvanic pile.
In a possible design, the heat dissipation element is a first fan, and the first fan takes air as a medium to absorb heat generated by the stack and leads the heat to the heat dissipation pipeline.
In one possible design, the water heater assembly includes: the evaporator assembly is connected with the host assembly through a working medium pipeline.
In one possible embodiment, the working medium line has a working medium therein, which circulates between the evaporator assembly and the main engine assembly via the working medium line.
In one possible design, the evaporator assembly includes: the evaporator is respectively connected with the working medium pipeline and the heat dissipation pipeline, and the second fan is used for discharging air introduced into the evaporator.
In one possible design, the evaporator is in communication with the environment, and the evaporator can absorb air from the environment through the second fan.
In one possible design, the host assembly includes: the condenser comprises a hot water tank, a condenser and a compressor, wherein one end of the compressor is communicated with the evaporator, the other end of the compressor is communicated with the condenser, and the condenser is communicated with the compressor and the hot water tank.
In one possible design, the stack is electrically connected to the compressor and the evaporator assembly, respectively.
In one possible design, the stack is a cathode closed stack.
A second aspect of the present invention provides a water heater comprising: a water heater body and the fuel cell hot water system of the first aspect.
The invention provides a fuel cell hot water system, which is applied to a household water heater and comprises: the fuel cell assembly and the water heater assembly are electrically connected, the fuel cell assembly is an air-cooled fuel cell component, the air-cooled fuel cell component is a fuel cell taking air as a heat dissipation medium, and the air-cooled fuel cell component comprises: the utility model provides a domestic water heater, including the galvanic pile and the radiating piece, wherein, the galvanic pile is the fuel cell body, connect through the heat dissipation pipe between radiating piece and the water heater assembly, the radiating piece is in with the heat transfer of galvanic pile production to the water heater assembly, the water heater assembly utilizes and absorbs the heat that the galvanic pile produced, and in the water tank in with heat transfer to domestic water heater, owing to use air cooling fuel cell, make the heat that fuel cell produced can fully be utilized by the water heater assembly, the prior art has been solved, only can utilize fuel cell's waste heat, problem to fuel cell's heat utilization rate is low excessively, the application scope of fuel cell hot water system has been increased, fuel cell's heat recovery utilizes efficiency has been promoted.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a fuel cell hot water system according to an embodiment of the present invention.
Description of reference numerals:
10-a fuel cell assembly;
11-electric pile;
12-a first fan;
13-a heat dissipation pipeline;
20-a water heater assembly;
21-an evaporator assembly;
211-an evaporator;
212-a second fan;
22-working medium pipeline;
23-host components.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the prior art, in the aspect of household water heaters, the gas water heater and the electric water heater have high popularity, but the energy sources required to be consumed by the gas water heater and the electric water heater can more or less affect the environment to a certain extent in the using or obtaining process, in order to save energy, reduce emission and use cleaner energy sources, the heat pump technology is widely applied to the household water heater, the heat pump is a high-efficiency energy-saving device which fully utilizes low-grade heat energy, because the heat can be spontaneously transferred from a high-temperature object to a low-temperature object but can not be spontaneously carried out in the opposite direction, the working principle of the heat pump is a device which forces the heat to flow from the low-temperature object to the high-temperature object in a reverse circulation mode, only a small amount of reverse circulation net work is consumed, a large heat supply amount can be obtained, and the low-grade heat energy which is difficult to apply, heat pumps generally obtain low-grade heat energy from air, water or soil in the nature, do work through electric power, and then provide high-grade heat energy which can be utilized for people.
With the increasing tension of energy sources, in order to recover the heat of low-temperature hot gas generally exhausted to the atmosphere, low-temperature hot water generally exhausted to rivers, and the like, a heat pump is used for transferring the heat energy in a low-temperature object to a high-temperature object, and then the high-temperature object is used for heating water or heating so as to fully utilize the heat, the working principle of the heat pump is consistent with that of air-conditioning refrigeration, the refrigeration coefficient of the heat pump is generally about 3-4, that is, the heat pump can transfer 3 to 4 times of the heat energy required by the heat pump from the low-temperature object to the high-temperature object, the heat pump is a heat lifting device in essence, when in operation, the heat pump consumes a small part of electric energy, but can extract 4 to 7 times of the energy of electric energy from environmental media (water, air, soil, and the like) to lift the heat pump for utilizing the temperature, which is also a reason of energy saving, but the heat, furthermore, the heat pump absorbs energy in the surrounding environment, and when the temperature of the surrounding environment is lower than 0 °, the absorbed energy is insufficient, and it is difficult to ensure the requirements of heating water and heating.
Therefore, the fuel cell and the heat pump are combined, on one hand, the heat pump needs less electricity during operation, the fuel cell can completely provide enough electricity for the heat pump, the fuel cell uses cleaner energy, mainly oxygen reacts with hydrogen as fuel gas, water and carbon dioxide which are pollution-free to environment are generated after reaction, and compared with electric energy, the fuel cell has cleaner energy, on the other hand, during the use process, because the reaction of the fuel cell is carried out in the local part, the fuel cell can generate heat by itself, a common fuel cell is provided with a circulating cooling device, when the fuel cell operates, the heat generated by the fuel cell is transferred to the surrounding air, so that the performance of the fuel cell is prevented from being influenced, and the heat generated by the fuel cell is utilized, so that the influence on the heat pump caused by the insufficient environmental energy can be relieved.
Example one
The present embodiment provides a fuel cell hot water system, which is applied to a household water heater, as shown in fig. 1, and includes: the fuel cell assembly 10 and the water heater assembly 20, the water heater assembly 20 is an aggregate of related devices of the water heater, the fuel cell assembly 10 is electrically connected with the water heater assembly 20, the fuel cell assembly 10 provides energy for the water heater assembly 20, so that some devices in the water heater assembly 20 can operate normally, and the fuel cell assembly 10 includes: the fuel cell system comprises a stack 11 and a heat sink, wherein the stack 11 is a fuel cell body, and the heat sink is a cooling heat sink component of the fuel cell.
In the present embodiment, the fuel cells, i.e., the stacks 11, are air-cooled fuel cells, and the fuel cells are of different types, wherein the air-cooled fuel cells are a device integrating a cooling device and the fuel cells, and the cooling method of the fuel cells is also different, the air-cooled fuel cells are used for radiating heat in the fuel cells to the outside by using air as a medium, rather than using a circulating cooling liquid for cooling, and the radiating method of the air-cooled fuel cells is easy to make the radiated heat of the fuel cells absorbed and utilized by the water heater assembly 20.
Optionally, in this embodiment, the water heater assembly 20 and the heat dissipating member are connected through the heat dissipating pipeline 13, the heat dissipating member transfers heat generated by the fuel cell to the water heater assembly 20 through the heat dissipating pipeline 13, and after the water heater assembly 20 absorbs the heat transferred by the fuel cell, the heat can be converted and utilized, and the heat is transferred to water in the water tank, so that a user can use the water heater assembly conveniently.
Optionally, in this example, the fuel electrothermal water heating system is applied to a household water heater, a water tank for storing water is present in the household water heater, water at a certain temperature is placed in the water tank, in a normal state, the water heater assembly 20 is driven by the fuel cell to operate, so as to absorb heat in the surrounding environment, heat the water in the water tank to a preset temperature, and wait for the use of a user, and when the surrounding environment temperature is insufficient, the water in the water tank is heated by absorbing the heat of the fuel cell, so as to increase the way that the water heater assembly 20 obtains energy, enlarge the obtained amount of energy, and avoid the problem that the water heater assembly 20 is difficult to work in a low temperature state.
It should be noted that, when the water heater assembly 20 obtains the ambient energy, the heat pump utilized is far away, the heat pump is classified into various categories, the water heater assembly 20 mainly obtains the heat in the air, in some prior patent technologies, the air tail gas of the fuel cell or the method of utilizing the waste heat of the cooling liquid of the fuel cell is utilized, in the above method, the air tail gas of the fuel cell, only some waste heat, only occupies a small part of the waste heat of the fuel cell, the utilization rate of the waste heat is too low, while when the waste heat of the cooling liquid is utilized, the water heater part needs to use a ternary heat exchanger, the ternary heat exchanger has a complex structure, the ternary heat exchanger refers to three substances of the cooling liquid of the fuel cell, the ambient air and the working medium of the heat pump, wherein the water heater end needs to absorb the ambient air, the ambient air flow with large flow rate, and, the core temperature of the fuel cell may be out of control during the recirculation cycle.
Optionally, in this embodiment, in order to avoid the above problem, an air-cooled fuel cell is adopted, a heat dissipation air flow of the air-cooled fuel cell contains most of waste heat, so the waste heat utilization efficiency is high, meanwhile, since air is used as a medium for heat carrying, only heat exchange between air and a heat pump working medium needs to be performed at the water heater assembly 20, so ambient air and the waste heat of the fuel cell can be simultaneously utilized, control and energy utilization are facilitated, no circulation cooling is involved, temperature control of the fuel cell itself is not interfered, and the structure of the air-cooled fuel cell and the structure of an auxiliary system are simple, so that the air-cooled fuel cell is particularly suitable for low-power application of several kilowatts, is relatively matched with the power requirement of a household residence, and is relatively suitable for being applied to a household water heater.
The embodiment provides a fuel cell hot water system, is applied to domestic water heater, through including: the fuel cell assembly 10 and the water heater assembly 20, the electric connection between the water heater assembly 20 of the fuel cell assembly 10, the fuel cell assembly 10 is the air cooling fuel cell component, the air cooling fuel cell component is a kind of fuel cell taking air as heat-dissipating medium, the air cooling fuel cell component includes: the electric pile 11 and the heat sink, wherein, the electric pile 11 is the fuel cell body, connect through heat dissipation pipeline 13 between heat sink and the water heater assembly 20, the heat sink transmits the heat that the electric pile 11 produced to the water heater assembly 20, the water heater assembly 20 utilizes and absorbs the heat that the electric pile 11 produced, and in transmitting the heat to the water tank in the domestic water heater, owing to use air cooling fuel cell, make the heat that fuel cell produced can fully be utilized by the water heater assembly 20, solved among the prior art, only can utilize fuel cell's waste heat, problem too low to fuel cell's heat utilization ratio, increased fuel cell hot water system's application scope, fuel cell's heat recovery and utilization efficiency has been promoted.
Optionally, in this embodiment, the heat dissipation member is a first fan 12, one end of the first fan 12 is connected to the stack 11, the other end of the first fan 12 is connected to the heat dissipation pipeline 13, the first fan 12 absorbs heat generated by the stack 11 in the operation process by using air as a medium, the stack 11 is a fuel cell, in the operation process, the heat is generated inside the stack and then converted into electric energy, in the continuous reaction process, the heat is continuously generated along with the continuous reaction, the continuous accumulation of the heat may affect the performance of the fuel cell, the first fan 12 absorbs the heat in the air, and the air with the heat is introduced into the heat dissipation pipeline 13.
Optionally, in this embodiment, the heat dissipation pipeline 13 is in communication with the water heater assembly 20, and the air with heat is conducted to the inside of the water heater assembly 20 through the heat dissipation pipeline 13, and the water heater assembly 20 includes: the fuel cell heat dissipation device comprises an evaporator assembly 21 and a host assembly 23, wherein the evaporator assembly 21 and the host assembly 23 are connected through a working medium pipeline 22, the evaporator assembly 21 is connected with a heat dissipation pipeline 13, air with fuel cell heat dissipation in the heat dissipation pipeline 13 is firstly absorbed by the evaporator assembly 21, and after the evaporator assembly 21 absorbs heat in the air, the heat is transferred to the host assembly 23 through the working medium pipeline 22.
Optionally, in this embodiment, the working medium pipeline 22 has a working medium, the working medium is similar to freon in an air conditioner, but freon which can destroy and pollute the atmosphere is not used in the heat pump, the function of the working medium is the same as freon, the working medium circulates between the evaporator assembly 21 and the host assembly 23 through the working medium pipeline 22, the evaporator assembly 21 evaporates the working medium by using absorbed heat, the temperature and pressure of the working medium vapor after being compressed in the host assembly 23 rise, the working medium vapor with high temperature condenses into liquid through the host assembly 23, the released heat is transferred to water in the water tank, the condensed working medium returns to the evaporator assembly 21 through the working medium pipeline 22 and is evaporated again, and the circulation is repeated between the evaporator assembly 21 and the host assembly 23.
Optionally, in this implementation, the evaporator assembly 21 includes: evaporimeter 211 and second fan 212, evaporimeter 211 are connected with working medium pipeline 22 and heat dissipation pipeline 13 respectively, and fuel cell hot water system is the heat of absorption air, and the effect of evaporimeter 211 is just the absorption air, and microthermal working medium liquid passes through evaporimeter 211, carries out the heat exchange with external air, acquires the heat in the air.
Optionally, in this embodiment, the evaporator 211 is in communication with the external environment, the evaporator 211 needs to absorb a large amount of heat in the ambient air in addition to absorbing heat in the fuel cell, the air with heat absorbed by the evaporator 211 absorbs the heat and exchanges heat with the working medium to transfer the heat in the air and the heat dissipated by the fuel cell to the working medium, and the second fan 212 is used to exhaust the air introduced into the evaporator 211, on one hand, the air introduced into the heat dissipation pipeline is exhausted from the evaporator 211 through the second fan 212, on the other hand, when the second fan 212 is operated, the air in the ambient environment of the evaporator 211 is sucked and then exhausted from the evaporator 211, and the air flow in the ambient environment passes through the evaporator 211 through the second fan 212 to absorb the heat in the air.
It should be noted that, in this embodiment, the fuel cell is of an air-cooling type, the waste heat of the air-cooling fuel cell is transferred by air, and is the same as the ambient air flow, and only the heat exchange between the air and the working medium needs to be performed in the steamer, and it is not necessary to perform the heat exchange as in the fuel cell using the cooling liquid to dissipate heat, and meanwhile, the ambient air and the air after the heat of the fuel cell are mixed together, so as to facilitate the heat absorption, and avoid the heat carried in the cooling liquid, such as the cooling liquid, by the ambient air flow in the flowing process, on the other hand, the evaporator 211 is prone to frost formation during the use process of the evaporator 211, especially when the external environment is low in winter, and the surface temperature of the evaporator 211 is far lower than the dew point temperature of the air, and the moisture existing in the air can be separated out and attached to the surface of the evaporator 211 to condense into frost, because the thermal conductivity of frost is too small, and only one percent or even several percent of metal exists, the frost layer forms larger thermal resistance, when the frost layer on the surface of the evaporator 211 is too thick, the frost layer is just like a heat insulation layer, so that the cold quantity in the evaporator 211 is not easy to radiate, and the work of the evaporator 211 is influenced, generally speaking, in cold winter, after the heat pump operates for a period of time, the surface of the evaporator 211 needs to be defrosted, and the complicated reversing electromagnetic valve is adopted to reversely operate and heat so that the frost layer on the surface of the evaporator 211 is melted.
Optionally, in this embodiment, when the evaporator 211 is used in winter and a frost layer appears on the surface of the evaporator 211, due to the blocking of the frost layer and insufficient heat in the ambient environment, the evaporator 211 is difficult to defrost by itself, but the air-cooled fuel cell can continuously transfer the residual heat of the air-cooled fuel cell to the evaporator 211, so that the evaporator 211 does not depend too much on the heat in the ambient environment, and the frost on the surface of the evaporator 211 can be removed by the heat provided by the fuel cell only by stopping the operation of the water heater assembly 20 for a while.
Optionally, in this embodiment, the host component 23 includes: the hot-water tank, condenser and compressor, the one end and the evaporimeter 211 intercommunication of compressor, the other end and the condenser intercommunication of compressor, condenser intercommunication compressor and hot-water tank, a large amount of certain temperature's water after storing in the hot-water tank promptly the water tank, the working medium in working medium pipeline 22 will follow the heat that obtains through the heat exchange in the evaporimeter 211, in compressor and condenser transmission to the hot-water tank for the temperature of hot-water tank normal water rises.
Optionally, in this embodiment, the electric pile 11 is electrically connected to the compressor and the evaporator assembly 21, respectively, and the electric pile 11 provides power supply for the evaporator assembly 21 and the compressor, drives the evaporator assembly and the compressor to operate, and ensures the working states of the evaporator assembly 21 and the compressor.
Optionally, in this embodiment, the electric stack 11 is a cathode closed type electric stack 11, the air-cooled fuel cell is divided into a cathode closed type electric stack and a cathode open type electric stack, and in the cathode open type electric stack 11, the heat dissipation air flow of the electric stack 11 includes the water vapor generated by the operation of the electric stack 11, so in cold winter, frost is easily formed on the evaporator 211, and the evaporator 211 needs to be stopped for defrosting after operating for a period of time, which affects the smooth operation of the evaporator 211 to a certain extent, and the cathode closed type electric stack 11 does not have this problem, so it is preferable that the cathode closed type electric stack 11 is used in this application.
Example two
The embodiment provides a water heater, the water heater comprises a water heater main body and a fuel cell hot water system provided in the first embodiment, the water heater is a heat pump type water heater, the water heater main body is similar to an air conditioner and comprises an external hanging machine hung outdoors and an indoor machine located indoors and provided with a hot water tank, the outdoor machine is contacted with the outside air and absorbs and transfers the heat in the air to the hot water tank in the indoor machine, the water in the hot water tank is heated to a preset temperature for a user to use, the fuel cell is used as an energy driving component in the fuel cell hot water system to replace an external power supply, so that the water heater does not need to obtain electric energy from the outside, the power requirement of the water heater can be ensured by completely depending on the fuel cell, meanwhile, the fuel cell can generate heat due to the reaction in the fuel cell when in operation, the energy absorption and utilization of the heat are realized, the energy efficiency balance is further improved, the energy of the water heater is increased, and the situation that the water in the hot water tank is heated by the energy which is difficult to obtain when the external temperature of the water heater is too low is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A fuel cell hot water system for use in a domestic water heater, comprising:
fuel cell assembly and water heater assembly, the fuel cell assembly with connect electrically between the water heater assembly, the fuel cell assembly is air cooling fuel cell subassembly, the air cooling fuel cell subassembly includes: the heat dissipation device comprises a galvanic pile and a heat dissipation part, wherein the heat dissipation part is connected with the water heater assembly through a heat dissipation pipeline, and the heat generated by the galvanic pile is introduced into the water heater assembly through the heat dissipation pipeline by the heat dissipation part, so that the water heater assembly absorbs and utilizes the heat generated by the galvanic pile.
2. The fuel cell hot water system according to claim 1, wherein the heat sink is a first fan, and the first fan absorbs heat generated by the stack with air as a medium and opens into the heat dissipation pipeline.
3. The fuel cell hot water system as claimed in claim 1, wherein the water heater assembly comprises: the evaporator assembly is connected with the host assembly through a working medium pipeline.
4. The fuel cell hot water system of claim 3, wherein the working fluid conduit has a working fluid therein, the working fluid circulating between the evaporator assembly and the host assembly through the working fluid conduit.
5. The fuel cell hot water system according to claim 4, wherein the evaporator assembly comprises: the evaporator is respectively connected with the working medium pipeline and the heat dissipation pipeline, and the second fan is used for discharging air introduced into the evaporator.
6. The fuel cell hot water system according to claim 5, wherein the evaporator is in communication with an ambient environment, and the evaporator is operable to draw air from the ambient environment through the second fan.
7. The fuel cell hot water system according to claim 6, wherein the host assembly comprises: the condenser comprises a hot water tank, a condenser and a compressor, wherein one end of the compressor is communicated with the evaporator, the other end of the compressor is communicated with the condenser, and the condenser is communicated with the compressor and the hot water tank.
8. The fuel cell hot water system according to claim 7, wherein the stack is electrically connected to the compressor and the evaporator assembly, respectively.
9. The fuel cell hot water system according to claim 1, wherein the stack is a cathode closed stack.
10. A water heater, comprising: a water heater body and a fuel cell hot water system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901398.9A CN112539558A (en) | 2019-09-23 | 2019-09-23 | Fuel cell hot water system and water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910901398.9A CN112539558A (en) | 2019-09-23 | 2019-09-23 | Fuel cell hot water system and water heater |
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| CN112539558A true CN112539558A (en) | 2021-03-23 |
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| CN201910901398.9A Pending CN112539558A (en) | 2019-09-23 | 2019-09-23 | Fuel cell hot water system and water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654233A (en) * | 2021-06-29 | 2021-11-16 | 电子科技大学 | Combined system and method of fuel cell and air energy water heater |
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| CN114811950A (en) * | 2022-07-01 | 2022-07-29 | 雄川氢能科技(广州)有限责任公司 | Heat pump system for recovering waste heat of fuel cell power generation system |
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