Summary of the invention
The main purpose of the present invention is to provide a kind of cogeneration cooling heating systems, to solve photovoltaic power generation in the prior artThe problem of transfer efficiency of device is low and power supply instability.
To achieve the goals above, the present invention provides a kind of cogeneration cooling heating systems, for powering and supplying for buildingWater, comprising: thermal power generation device, for converting electric energy for the chemical energy of fuel；Photovoltaic power generation apparatus, for converting luminous energyFor electric energy；Cooling device, cooling device are connect with photovoltaic power generation apparatus, to cool down to photovoltaic power generation apparatus；Heat pump unit,Heat pump unit includes evaporator, and evaporator is connect with cooling device, to provide cooling water for cooling device.
Further, thermal power generation device includes: Thermal Motor, and Thermal Motor is used to convert machinery for chemical energyEnergy；Generator, generator are connect with Thermal Motor, for converting electric energy for mechanical energy.
Further, cogeneration cooling heating system further includes gas flow pipe road, and gas flow pipe road and Thermal Motor connectIt connects, for the high-temperature flue gas in Thermal Motor to be discharged；Heat pump unit further includes solution generator, and gas flow pipe road flows throughSolution generator, to be heated to the solution in solution generator.
Further, cogeneration cooling heating system further includes reheater and hot water supply line, and hot water supply line flows through againHot device, reheater heat the medium in hot water supply line using the heat of the flue gas in gas flow pipe road.
Further, heat pump unit further includes condenser, and hot water supply line flows through condenser, and condenser is supplied along hot waterAnswer the flow direction of hot water in pipeline that the upstream of reheater is set.
Further, heat pump unit further includes absorber, and hot water supply line flows through absorber, and absorber is supplied along hot waterAnswer the flow direction of hot water in pipeline that the upstream of condenser is set.
Further, heat pump unit further include: solution circulation line, solution circulation line is by solution generator and absorberConnection；Heat exchanger, heat exchanger is arranged on solution circulation line, the solution in solution circulation line is heated or be droppedTemperature；Circulating pump, circulating pump are arranged on solution circulation line, and between heat exchanger and absorber.
Further, cogeneration cooling heating system includes: the first circulating chilled water pipeline, and evaporator passes through the first cool water circulating pipeRoad is connect with cooling device；First valve, the first valve are arranged on the first cool water circulating pipe road, follow for controlling the first cold waterThe on-off on endless tube road.
Further, cogeneration cooling heating system further include: the second circulating chilled water pipeline, evaporator pass through the second circulating chilled waterPipeline is connect with building, to supply cold water for building；Second valve, the second valve are arranged in the second circulating chilled water pipelineOn, for controlling the on-off of the second circulating chilled water pipeline.
Further, the second circulating chilled water pipeline include the second cold water supplying pipe road, the first of the second cold water supplying pipe roadEnd is connected to evaporator, and the second end on the second cold water supplying pipe road is connected to the cold water inlet of building；First cool water circulating pipeRoad includes the first cold water supplying pipe road, and the first end on the first cold water supplying pipe road is connected to the second cold water supplying pipe road, and first is coldThe second end of water water supply pipe is connected to the arrival end of cooling device.
Further, the first valve is arranged on the first cold water supplying pipe road；The setting of second valve is supplied water in the second cold waterOn pipeline, and between the second cold water supplying pipe road and the connectivity points and building on the first cold water supplying pipe road.
Further, the first circulating chilled water pipeline further includes the first cold-water return pipeline, and the of the first cold-water return pipelineOne end and the outlet end of cooling device connect, and the second end of the first cold-water return pipeline is connected to evaporator；Second circulating chilled waterPipeline includes the second cold-water return pipeline, and the first end of the second cold-water return pipeline and the cooling water outlet of building connect, and secondThe second end of cold-water return pipeline and the first cold-water return pipeline connection.
Further, cogeneration cooling heating system further includes water pump, and water pump is arranged on the second cold water supplying pipe road, and is located atBetween second cold water supplying pipe road and the connectivity points and evaporator on the first cold water supplying pipe road.
Further, cogeneration cooling heating system includes at least summer day run mode, night summer operational mode, winterDay run mode and night in winter operational mode；When cogeneration cooling heating system is in summer day run mode, the first valveDoor is in the open state, and the second valve is in the open state；When cogeneration cooling heating system is in night summer operational mode, theOne valve is in close state, and the second valve is in the open state；When cogeneration cooling heating system is in winter day run modeWhen, the first valve is in the open state, and the second valve is in close state；When cogeneration cooling heating system is in the operation of night in winterWhen mode, the first valve is in close state, and the second valve is in close state.
It applies the technical scheme of the present invention, cogeneration cooling heating system includes thermal power generation device and photovoltaic power generation apparatus, heatPower generation device can convert electric energy for the chemical energy of fuel, so that thermal power generation device can when weather conditions are badPhotovoltaic power generation apparatus is substituted as building power supply；In addition, cogeneration cooling heating system further includes cooling device and heat pump unit, heat pumpThe evaporator of unit is connect with cooling device, and to provide cooling water for cooling device, cooling device is connect with photovoltaic power generation apparatus,Cooling device cools down to photovoltaic power generation apparatus, to promote the transfer efficiency of photovoltaic power generation apparatus.It is provided by the present application coldCo-generation unit is able to ascend the transfer efficiency of photovoltaic power generation apparatus, additionally it is possible to be steadily building power supply.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is right belowThe description only actually of at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or useAny restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative effortsEvery other embodiment obtained, shall fall within the protection scope of the present invention.
Transfer efficiency in order to solve the problems, such as photovoltaic power generation apparatus in the prior art is low and power supply instability, the present inventionProvide a kind of cogeneration cooling heating system.
As shown in Figure 1 to Figure 3, the cogeneration cooling heating system for powering and supplying water for building 1 includes thermal power generation dress10, photovoltaic power generation apparatus 20, cooling device 30 and heat pump unit 40 are set, thermal power generation device 10 is used to turn the chemical energy of fuelElectric energy is turned to, for converting light energy into electric energy, cooling device 30 is connect photovoltaic power generation apparatus 20 with photovoltaic power generation apparatus 20, withCool down to photovoltaic power generation apparatus 20, heat pump unit 40 includes evaporator 41, and evaporator 41 connect with cooling device 30, with forCooling device 30 provides cooling water.
In this application, cogeneration cooling heating system includes thermal power generation device 10 and photovoltaic power generation apparatus 20, thermal power generationDevice 10 can convert electric energy for the chemical energy of fuel, so that thermal power generation device 10 can replace when weather conditions are badIt is building power supply for photovoltaic power generation apparatus；In addition, cogeneration cooling heating system further includes cooling device 30 and heat pump unit 40, heatThe evaporator 41 of pump assembly 40 is connect with cooling device 30, to provide cooling water, cooling device 30 and photovoltaic for cooling device 30Power generator 20 connects, and cooling device 30 cools down to photovoltaic power generation apparatus 20, to promote turning for photovoltaic power generation apparatus 20Change efficiency.Cogeneration cooling heating system provided by the present application is able to ascend the transfer efficiency of photovoltaic power generation apparatus 20, additionally it is possible to stablizeGround is building power supply.
As shown in Fig. 2, photovoltaic power generation apparatus 20 include foreboard 21 and backboard 23 and be folded in foreboard 21 and backboard 23 itBetween photovoltaic panel 22.Fig. 2 shows alternative embodiment in, cooling device 30 is connect with photovoltaic power generation apparatus 20, specifically,Cooling device 30 is sticked on backboard 23, and cooling device 30 cools down to photovoltaic panel 22 by backboard 23, to promote photovoltaicThe transfer efficiency of plate 22, and the heat recycled to cooling device 30 recycles.
In the alternative embodiment shown in Fig. 3, photovoltaic power generation apparatus 20 and cooling device 30 are integrated, backboard 23With installation cavity, cooling device 30 is arranged in installation cavity, is directly sticked in photovoltaic panel 22, cooling device 30 is directly to photovoltaicPlate 22 cools down, to promote the transfer efficiency of photovoltaic panel 22, and the heat recycled to cooling device 30 recycles.
Photovoltaic panel 22 is made of monocrystalline silicon, polysilicon, amorphous silicon, GaAs, cadmium sulfide or copper indium gallium selenide.
It, can be with when photovoltaic power generation apparatus 20 is inconvenient to add cold water channel in the embodiment (not shown) of the applicationPhotovoltaic power generation apparatus 20 is cooled down as cooling medium using cold air.
As shown in Figure 1, thermal power generation device 10 includes Thermal Motor 11 and generator 12, Thermal Motor 11 is used for willChemical energy is converted into mechanical energy, and generator 12 is connect with Thermal Motor 11, for converting electric energy for mechanical energy.Optionally,Thermal Motor 11 is internal combustion engine, gas turbine or miniature gas turbine.
In the application alternative embodiment shown in fig. 1, Thermal Motor 11 is gas turbine, and gas turbine includes airCompressor 111, combustion chamber 112 and turbine 113, air compressor suck air 3 in combustion chamber 112, and are passed through combustion chamber 112Interior fuel 2 is mixed and burned the flue gas of production high temperature and pressure, and the flue gas of high temperature and pressure, which enters in turbine 113, to do work, to will changeCan be converted to mechanical energy, and the flue gas of remaining high temperature and pressure in turbine 113 by being expelled in atmosphere.
Optionally, fuel 2 is natural gas.
As shown in Figure 1, cogeneration cooling heating system further includes gas flow pipe road 50, gas flow pipe road 50 is started with heating powerMachine 11 connects, for the high-temperature flue gas in Thermal Motor 11 to be discharged；Heat pump unit 40 further includes solution generator 42, gasFlow pipe 50 flows through solution generator 42, to heat to the solution in solution generator 42, promotes solution generator 42The concentration of interior solution.In this way, utilizing to the flue gas of remaining high temperature and pressure, the practical of cogeneration cooling heating system is improvedProperty.
Optionally, cogeneration cooling heating system further includes afterburning pipeline 4, and afterburning pipeline 4 is connected to gas flow pipe road 50, makesHigh-temperature flue gas in gas flow pipe road 50 more fully burns.
Optionally, the solution in solution generator 42 is lithium-bromide solution.
As shown in Figure 1, cogeneration cooling heating system further includes reheater 60 and hot water supply line 70, hot water supply line 70Reheater 60 is flowed through, reheater 60 is using the heat of the flue gas in gas flow pipe road 50 to the medium in hot water supply line 70It is heated.In this way, being recycled by the way that reheater 60 is arranged to the flue gas of remaining high temperature and pressure, further put onThe practicability of cogeneration cooling heating system.
As shown in Figure 1, heat pump unit 40 further includes condenser 43, hot water supply line 70 flows through condenser 43, and condensesThe upstream of reheater 60 is arranged in the flow direction of hot water along hot water supply line 70 of device 43.In this way, right using condenser 43Water in hot water supply line 70 is heated.
As shown in Figure 1, heat pump unit 40 further includes expansion valve 48 and connecting line 49, connecting line 49 is connected in evaporatorBetween 41 and condenser 43, expansion valve 48 is arranged on connecting line 49.
As shown in Figure 1, heat pump unit 40 further includes absorber 44, hot water supply line 70 flows through absorber 44, and absorbsThe upstream of condenser 43 is arranged in the flow direction of hot water along hot water supply line 70 of device 44.In this way, right using absorber 44Water in hot water supply line 70 is heated.
As shown in Figure 1, heat pump unit 40 further includes solution circulation line 45, heat exchanger 46 and circulating pump 47, solution circulationSolution generator 42 is connected to by pipeline 45 with absorber 44, and heat exchanger 46 is arranged on solution circulation line 45, to follow to solutionSolution in endless tube road 45 is heated or is cooled down, and circulating pump 47 is arranged on solution circulation line 45, and is located at heat exchanger 46Between absorber 44.In view of the temperature difference of solution in solution generator 42 and absorber 44, heat exchanger 46 is set to moltenSolution in liquid circulation line 45 is heated or is cooled down.
As shown in Figure 1, cogeneration cooling heating system includes the first circulating chilled water pipeline 80 and the first valve 90, evaporator 41 is logicalIt crosses the first circulating chilled water pipeline 80 to connect with cooling device 30, the first valve 90 is arranged on the first circulating chilled water pipeline 80, usesIn the on-off for controlling the first circulating chilled water pipeline 80.In this way, passing through first when needing to cool down to photovoltaic power generation apparatus 20Valve 90 is in the conductive state to control the first circulating chilled water pipeline 80, is not needing to cool down to photovoltaic power generation apparatus 20When, the first circulating chilled water pipeline 80 is controlled by the first valve 90 and is in blocking state, to reasonably utilize cold water.
As shown in Figure 1, cogeneration cooling heating system further includes the second circulating chilled water pipeline 100 and the second valve 110, evaporator41 are connect by the second circulating chilled water pipeline 100 with building 1, and to supply cold water for building 1, the setting of the second valve 110 existsOn second circulating chilled water pipeline 100, for controlling the on-off of the second circulating chilled water pipeline 100.In this way, needing for building 1It is in the conductive state by the second valve 110 the second circulating chilled water pipeline 100 of control when cold water is provided, it is not needing as buildingWhen object 1 provides cold water, the second circulating chilled water pipeline 100 is controlled by the second valve 110 and is in blocking state, thus reasonable land productivityUse cold water.
As shown in Figure 1, the second circulating chilled water pipeline 100 includes the second cold water supplying pipe road 101, the second cold water supplying pipe road101 first end is connected to evaporator 41, and the second end on the second cold water supplying pipe road 101 is connected to the cold water inlet of building 1；First circulating chilled water pipeline 80 includes the first cold water supplying pipe road 81, the first end and the second cold water on the first cold water supplying pipe road 81Water supply pipe 101 is connected to, and the second end on the first cold water supplying pipe road 81 is connected to the arrival end of cooling device 30.
As shown in Figure 1, the first valve 90 is arranged on the first cold water supplying pipe road 81；Second valve 110 is arranged secondOn cold water supplying pipe road 101, and it is located at the connectivity points and building on the second cold water supplying pipe road 101 and the first cold water supplying pipe road 81Between object 1.
As shown in Figure 1, the first circulating chilled water pipeline 80 further includes the first cold-water return pipeline 82, the first cold-water return pipeline82 first end is connect with the outlet end of cooling device 30, and the second end of the first cold-water return pipeline 82 is connected to evaporator 41；Second circulating chilled water pipeline 100 includes the second cold-water return pipeline 102, the first end and building of the second cold-water return pipeline 102The cooling water outlet of object 1 connects, and the second end of the second cold-water return pipeline 102 is connected to the first cold-water return pipeline 82.
The cogeneration cooling heating system of the application reasonably arranges the first cold water supplying pipe road 81, the first cold-water return pipeline82, the second cold water supplying pipe road 101 and the second cold-water return pipeline 102.
As shown in Figure 1, cogeneration cooling heating system further includes water pump 120, water pump 120 is arranged on the second cold water supplying pipe roadOn 101, and between the second cold water supplying pipe road 101 and the connectivity points and evaporator 41 on the first cold water supplying pipe road 81.ThisCold water is pumped to building 1 or cooling device 30 by the water pump 120 being arranged on the second cold water supplying pipe road 101 by sampleIt is interior.
Optionally, cogeneration cooling heating system includes at least summer day run mode, night summer operational mode, winter dayBetween operational mode and night in winter operational mode:
When cogeneration cooling heating system is in summer day run mode, the first valve 90 is in the open state, the second valveDoor 110 is in the open state, in this way, photovoltaic power generation apparatus 20 in the daytime is in running order, cold water is needed to enter cooling device30 interior focusings volt power generator 20 cools down, and promotes the transfer efficiency of photovoltaic power generation apparatus 20, meanwhile, summer needs using emptyIt adjusts, cold water enters in building 1, provides conditioned water for building 1.
When cogeneration cooling heating system is in night summer operational mode, the first valve 90 is in close state, the second valveDoor 110 is in the open state, in this way, night photovoltaic power generation apparatus 20 is in off working state, therefore, it is no longer necessary to which cold water enters30 interior focusing of cooling device volt power generator 20 cools down, it is only necessary to which cold water enters in building 1, provides sky for building 1Call water.
When cogeneration cooling heating system is in winter day run mode, the first valve 90 is in the open state, the second valveDoor 110 is in close state, in this way, photovoltaic power generation apparatus 20 in the daytime is in running order, cold water is needed to enter cooling device30 interior focusings volt power generator 20 cools down, and promotes the transfer efficiency of photovoltaic power generation apparatus 20, winter building 1 no longer needsConditioned water, and need to heat, therefore, it is no longer necessary to cold water is provided into building 1 as conditioned water.
When cogeneration cooling heating system is in night in winter operational mode, the first valve 90 is in close state, the second valveDoor 110 is in close state, in this way, night photovoltaic power generation apparatus 20 is in off working state, therefore, it is no longer necessary to which cold water enters30 interior focusing of cooling device volt power generator 20 cools down, and winter building 1 also no longer needs conditioned water, therefore, also notNeed to provide cold water again into building 1 as conditioned water.
Cogeneration cooling heating system provided by the present application, can be according to actual use situation in summer day run mode, summerIt is switched between night in season operational mode, winter day run mode and night in winter operational mode, thus more reasonablyUsing cold water, cogeneration cooling heating system practicability is promoted.
Cogeneration cooling heating system provided by the present application can be directly the power supply of building 1, supply cold water or hot-water supply,Hot water provided by cogeneration cooling heating system provided by the present application can also be accessed national heating network by those skilled in the art,Electric energy provided by cogeneration cooling heating system is accessed into national grid, carries out central energy supply.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted rootAccording to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singularAlso it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packetInclude " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodimentsIt is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawingThe size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevantMethod and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanationA part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, andNot by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar labelSimilar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attachedIt does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closesSystem, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate thatIt must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manageSolution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top "," ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spyThe spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figureExcept different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devicesIt will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes, and opposite to space used herein aboveRespective explanations are made in description.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient forCorresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to thisThe limitation of invention protection scope.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted rootAccording to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singularAlso it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packetInclude " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this wayData be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating hereinOr the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this fieldFor art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repairChange, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.