CN103711662A - Solar power generation system - Google Patents
Solar power generation system Download PDFInfo
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- CN103711662A CN103711662A CN201210373330.6A CN201210373330A CN103711662A CN 103711662 A CN103711662 A CN 103711662A CN 201210373330 A CN201210373330 A CN 201210373330A CN 103711662 A CN103711662 A CN 103711662A
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- heat
- storing device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/003—Devices for producing mechanical power from solar energy having a Rankine cycle
- F03G6/005—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
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- Photovoltaic Devices (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a solar power generation system which comprises a heat collection device, a power generation assembly, at least one tank heat storage device, heating channels, at least one second heat storage device, a controller and/or at least one third heat storage device. The heat collection device absorbs energy of sunlight and outputs high-temperature working media; the power generation assembly is driven by the high-temperature working media to generate power; working medium outlets of the tank heat storage devices are communicated with a working medium inlet of the power generation assembly, and valves are arranged at working medium inlets of the tank heat storage devices and the working medium outlets of the tank heat storage devices; working media in the tank heat storage devices are heated by the heating channels; inlets of the second heat storage devices are communicated with the working medium outlets of the tank heat storage devices, and outlets of the second heat storage devices are communicated with an inlet of the power generation assembly; inlets of the third heat storage devices are communicated with an outlet of the heat collection device via three-way valves, and the third heat storage devices are further communicated with outlets of the heating channels via three-way valves; outlets of the third heat storage devices are communicated with inlets of the heating channels; the controller controls opening of the three-way valves and opening of the valves arranged at the working medium outlets of the tank heat storage devices.
Description
Technical field
The present invention relates to electric power application system technical field, be specifically related to a kind of solar power system.
background technique
Power load constantly increases in recent years, and power grid construction does not but have synchronized development, and the input capacity of long-distance transmission line is constantly increased, and the stability of operation of power networks and Security decline.And present stage user is more and more higher to the requirement of the quality of electric energy and power quality, and environment and policy factor make this traditional large electrical network not be well positioned to meet the requirement of various loads.In electrical network, thereby the variation of external condition can cause the variation of output power to cause the decline of the quality of power supply, may cause the problems such as instantaneous power-off, voltage dip or voltage swells in system, for the problems referred to above, can utilize energy storage device that fast power buffering is provided, absorb or electric energy supplement, with the fluctuation of steady or level and smooth line voltage.
In prior art, there is the multiple energy storage device that can be applied in electrical network, as Sun Jianbo discloses the basic functional principle of several energy storage technologies in being published in the energy storage technology in the article < < intelligent grid on Hubei Electric Power the 34th volume and stablizing the application > > in controlling in December, 2010, feature and application area, wherein provided the energy storage of drawing water, batteries to store energy, flywheel energy storage, super conductive magnetic storage energy, super capacitor energy-storage and compressed-air energy storage, these several energy storage methods respectively have superiority and specific application area.Therefore the application of each energy storage method is all greatly limited, and does not also find two or more scheme being combined with in above-mentioned several energy storage modes in prior art.
And for example existing patent documentation CN101841164A discloses a kind of grid-connected system, comprise generating parts, the first detection device for detection of generating parts generated energy, for storing the energy storage device of excess energy, for being communicated with the charge and discharge device of the electrical network of energy storage device and generating parts or energy storage device and grid-connected system, and for controlling filling of energy storage device, discharge control device, its energy storage device comprises energy-storage battery and for the protection of the battery protecting apparatus of energy-storage battery, energy-storage battery and battery protecting apparatus fill under the control of control gear, electric discharge.In this scheme, for what store that the energy storage device of excess energy adopts, be the technological scheme of power storage, although storage of electrical energy just can directly enter electrical network and uses without carrying out transformation of energy, the storage capacity of electric energy is limited, cannot Mass storage, this will cause the waste of energy.
In addition, existing patent documentation CN101702597A discloses a kind of solar energy high temperature storage type thermal power generation method, by solar energy tower type heat collecting module, high-temperature phase change heat accumulation module, thermo-electric conversion module, photovoltaic generating module forms solar energy high temperature storage type electricity generating device, and wherein solar energy tower type heat collecting module, high-temperature phase change heat accumulation module, thermo-electric conversion module form solar heat power generation system, and photovoltaic generating module forms separately photovoltaic generating system; Solar photovoltaic generation system, according to photovoltaic effect principle, utilizes solar cell that solar energy is directly converted to electric energy; Solar energy passes through heat-transfer working medium with the form of heat, a part is transported in phase transformation heat-storage module, heat-accumulating material in phase transformation heat-storage module is heated and undergoes phase transition storing heat, another part is directly electric energy by thermal power transfer by thermo-electric conversion module, when sunshine is not enough, heat-accumulating material heat release, and as the heat supply source of thermo-electric conversion module.Such scheme, although can improve the utilization ratio to solar energy, realize peak shifting and valley filling, however the variation of the output power causing for the variation by external condition, and the problems such as the voltage dip that causes or the voltage swells of diminishing greatly or suddenly as the unexpected change of electrical network load cannot realize reaction fast; And because sunlight is strong and weak, change, the heat collecting module causing absorbs the instantaneous too high or too low of heat energy, causes the generated output of power generation system unstable, also can affect the stability of electrical network.
Summary of the invention
Technical problem to be solved by this invention is that in prior art, power generation system diminishes greatly or suddenly and sunlight is strong and weak can not respond in time the stability that has influence on electrical network while changing in the unexpected change of electrical network load, and then the solar power system of a kind of responsive electricity grid load variations fast and the strong and weak variation of sunlight is provided.
For solving the problems of the technologies described above, the invention provides a kind of solar power system, comprising:
Heat-collecting devcie, absorbs the energy of sunlight to heat the heat absorption working medium of its inside, output high temperature refrigerant;
Electricity generating device generates electricity under the driving of high temperature refrigerant;
Also comprise:
At least one tank body heat-storing device, on it, be provided with working medium entrance and sender property outlet, the working medium entrance of described tank body heat-storing device and working medium source UNICOM, the working medium entrance UNICOM of the sender property outlet of described tank body heat-storing device and described electricity generating device, the working medium entrance of described tank body heat-storing device and the sender property outlet place of described tank body heat-storing device are provided with valve;
Heat tunnel, the outlet UNICOM of entrance and described heat-collecting devcie, the entrance UNICOM of outlet and described heat-collecting devcie, described heat tunnel is the working medium heating in described tank body heat-storing device;
At least one second heat-storing device, the sender property outlet UNICOM of the entrance of described the second heat-storing device and described tank body heat-storing device, the entrance UNICOM of the outlet of described the second heat-storing device and described electricity generating device;
And/or at least one the 3rd heat-storing device, the entrance of described the 3rd heat-storing device is by the outlet UNICOM of three-way valve and described heat-collecting devcie, simultaneously also by the outlet UNICOM of three-way valve and described heat tunnel; The outlet of described the 3rd heat-storing device and described heat tunnel entrance UNICOM; System also comprises controller, for controlling the folding of the valve that the sender property outlet place of three-way valve and described tank body heat-storing device arranges.
The sender property outlet of described electricity generating device and the entrance UNICOM of the second heat-storing device described at least one.
It comprises at least two described tank body heat-storing devices, passes through pipeline UNICOM between described tank body heat-storing device.
In described the second heat-storing device and/or described the 3rd heat-storing device, comprise at least one solid heat storage device;
The entrance of solid heat storage device and the outlet UNICOM of described tank body heat-storing device described at least one in described the second heat-storing device, the working medium entrance UNICOM of outlet and described electricity generating device;
And/or the entrance of at least one solid heat storage device in described the 3rd heat-storing device is by the outlet UNICOM of described the first three-way valve and described heat-collecting devcie, simultaneously also by the outlet UNICOM of described the second three-way valve and described heat tunnel; Outlet and described heat tunnel entrance UNICOM.
In described the second heat-storing device, also further comprise at least one fuse salt heat-storing device;
The entrance of described fuse salt heat-storing device is by the outlet UNICOM of the described solid heat storage device in the 3rd three-way valve and described the second heat-storing device, the outlet UNICOM of while and described heat tunnel; The entrance UNICOM of the outlet of described fuse salt heat-storing device and described heat tunnel.
Also further comprise:
The 4th three-way valve, the outlet UNICOM of an input port and described heat-collecting devcie; The outlet UNICOM of one input port and described the second heat-storing device, the working medium entrance UNICOM of output port and described electricity generating device.
Further comprise: Flow valve, is arranged between the outlet and described the first triple valve of described heat-collecting devcie; And/or between the outlet of described heat-collecting devcie and described three-way valve.
Also further comprise temperature and/or the pressure transducer of realizing data communication with described controller, measure temperature and/or the pressure of high temperature refrigerant of the outlet output of described heat-collecting devcie;
Described controller receives the measured value of described temperature and/or pressure transducer in conjunction with the generated output demand of its built-in described electricity generating device, controls the folding of the sender property outlet place valve of three-way valve and described tank body heat-storing device.
Also further comprise:
Heat exchanger, the outlet UNICOM of its entrance and described heat-collecting devcie, the working medium entrance UNICOM of outlet and described electricity generating device.
The inside of described tank body heat-storing device and/or outer installment have the pipeline that is suitable for Working fluid flow, and described pipeline is coil pipe and/or chuck.
Described heat tunnel is the coil pipe that is wrapped in described tank body heat-storing device outer wall.
Described working medium source is water storage box, and the working medium in described tank body heat-storing device is water, the working medium entrance of described tank body heat-storing device and the outlet UNICOM of described water storage box.
Also comprise vapour condenser, the sender property outlet UNICOM of the import of described vapour condenser and described electricity generating device, the entrance UNICOM of the outlet of vapour condenser and described water storage box.
Described working medium source is air pump, and the working medium in described tank body heat-storing device is air, the working medium entrance of described tank body heat-storing device and described air delivery side of pump UNICOM.
Described controller is controlled after the valve closing at sender property outlet place of described tank body heat-storing device, controls the valve open of the working medium ingress of described tank body heat-storing device.
Described controller is controlled the valve at the sender property outlet place of described tank body heat-storing device and is opened in turn; Controlling the valve of the working medium ingress of described tank body heat-storing device opens in turn.
When described controller is controlled the valve open at sender property outlet place of described tank body heat-storing device, control described heat-collecting devcie and/or secondary heating mechanism and continue remaining working medium in the described tank body heat-storing device of heating.
Technique scheme tool of the present invention has the following advantages:
(1) solar power system in the present invention comprises at least one tank body heat-storing device, on it, be provided with working medium entrance and sender property outlet, the working medium entrance of described tank body heat-storing device and working medium source UNICOM, the working medium entrance UNICOM of the sender property outlet of described tank body heat-storing device and described electricity generating device, the working medium entrance of described tank body heat-storing device and the sender property outlet place of described tank body heat-storing device are provided with valve; Heat tunnel, the outlet UNICOM of entrance and described heat-collecting devcie, the entrance UNICOM of outlet and described heat-collecting devcie, described heat tunnel is the working medium heating in described tank body heat-storing device; At least one second heat-storing device, the sender property outlet UNICOM of the entrance of described the second heat-storing device and described tank body heat-storing device, the entrance UNICOM of the outlet of described the second heat-storing device and described electricity generating device; And/or at least one the 3rd heat-storing device, the entrance of described the 3rd heat-storing device is by the outlet UNICOM of three-way valve and described heat-collecting devcie, simultaneously also by the outlet UNICOM of three-way valve and described heat tunnel; The outlet of described the 3rd heat-storing device and described heat tunnel entrance UNICOM; System also comprises controller, for controlling the folding of the valve that the sender property outlet place of three-way valve and described tank body heat-storing device arranges.Owing to having adopted at least one tank body heat-storing device, the variation of the output power causing when the variation due to external condition, while diminishing greatly or suddenly the voltage dip that causes or voltage swells as the unexpected change of electrical network load, can release energy or stored energy guarantees the stable operation of network system by tank body heat-storing device; In addition, sunlight is strong and weak to be changed, when the heat collecting module that causes absorbs heat energy instantaneous too high, heat-collecting devcie can release energy and heat the working medium in tank body heat-storing device or released energy to the 3rd heat-storing device by heat tunnel, the stability of assurance generated output; Sunlight is strong and weak to be changed, and when the heat collecting module causing absorbs heat energy instantaneous too low, has at least one tank body heat-storing device or the second heat-storing device and/or the 3rd heat-storing device is exported high temperature refrigerant to electricity generating device, guarantees the stability of generated output.
(2) solar power system in the present invention, by by the sender property outlet of electricity generating device and the entrance UNICOM of the second heat-storing device described at least one, has improved the efficiency of the steam turbine in electricity generating device.
(3) solar power system in the present invention, the outlet UNICOM of an input port and described heat-collecting devcie by the 4th three-way valve; The outlet UNICOM of one input port and described the second heat-storing device, the working medium entrance UNICOM of output port and described electricity generating device, can be by controlling the on off state of the 4th three-way valve, reasonably select the high temperature refrigerant of heat-collecting devcie and the high temperature refrigerant of the second heat-storing device whether to enter into the working medium entrance of electricity generating device, to guarantee the stability of the generated output of electricity generating device.
(4) solar power system in the present invention, by Flow valve being set between the outlet and the first triple valve of heat-collecting devcie, the high temperature refrigerant that can control heat-collecting devcie output enters into the amount of the second heat-storing device, and then the amount that guarantees to enter into the high temperature refrigerant of electricity generating device working medium entrance can keep constant; And/or between the outlet and three-way valve of heat-collecting devcie, the high temperature refrigerant of realizing the output of adjustment heat-collecting devcie enters into the amount of electricity generating device working medium entrance, guarantees the stability of generated output.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is an embodiment's of solar power system of the present invention structural representation;
Fig. 2 is an embodiment's of solar power system of the present invention structural representation;
Fig. 3 is an embodiment's of solar power system of the present invention structural representation;
Fig. 4 is an embodiment's of solar power system of the present invention structural representation.
Embodiment
Provide specific embodiments of the invention below.
embodiment 1
The present embodiment provides a kind of solar power system, as shown in Figure 1, comprising: heat-collecting devcie 1, absorbs the energy of sunlight to heat the heat absorption working medium of its inside, output high temperature refrigerant; Electricity generating device 3, there are steam turbine (ST in figure) and generator to form, in the application, the working medium entrance of described steam turbine is decided to be to the working medium entrance of described electricity generating device 3, the sender property outlet of described steam turbine is decided to be the sender property outlet of described electricity generating device 3, and described electricity generating device 3 generates electricity under the driving of high temperature refrigerant; Also comprise: at least one tank body heat-storing device 9a, on it, be provided with working medium entrance and sender property outlet, the working medium entrance of described tank body heat-storing device 9a and working medium source 8 UNICOMs, the working medium entrance UNICOM of the sender property outlet of described tank body heat-storing device 9a and described electricity generating device 1, the working medium entrance of described tank body heat-storing device 9a and the sender property outlet place of described tank body heat-storing device are provided with valve 10b and 10c.
System also comprises heat tunnel, the outlet UNICOM of entrance and described heat-collecting devcie 1, and the entrance UNICOM of outlet and described heat-collecting devcie 1, described heat tunnel is the working medium heating in described tank body heat-storing device 9a; System also further comprises at least one second heat-storing device, the sender property outlet UNICOM of the entrance of described the second heat-storing device and described tank body heat-storing device 1, the entrance UNICOM of the outlet of described the second heat-storing device and described electricity generating device 3; And/or at least one the 3rd heat-storing device, the entrance of described the 3rd heat-storing device is by the outlet UNICOM of three-way valve and described heat-collecting devcie 1, simultaneously also by the outlet UNICOM of three-way valve and described heat tunnel; The outlet of described the 3rd heat-storing device and described heat tunnel entrance UNICOM; System also comprises controller, for controlling the folding of the valve that the sender property outlet place of three-way valve and described tank body heat-storing device arranges.
In solar power system shown in Fig. 1, comprise three tank body heat-storing devices (9a, 9b, 9c), tank body heat-storing device as shown in FIG., passes through pipeline UNICOM between three tank body heat-storing devices (9a, 9b, 9c).For each tank body heat-storing device, described heat tunnel is the coil pipe that is wrapped in described tank body heat-storing device outer wall.As can be seen from the figure, for described heat tunnel, its ingress also can arrange valve 10a, can control the heat entering in described heat tunnel, thereby controls the heat that described heat tunnel passes to described tank body heat-storing device.As figure, the outlet of described heat tunnel by after three-way valve 4f and pump 5b with the entrance UNICOM of described heat-collecting devcie.
By the record content of such scheme, the working medium entrance of known described electricity generating device 3 can not be communicated with the outlet UNICOM of described heat-collecting devcie 1 yet, although shown in Fig. 1 between the two in UNICOM's state, but described electricity generating device 3 is under the high temperature refrigerant of described tank body heat-storing device output drives, to generate electricity separately, and therefore the working medium entrance of described electricity generating device 3 can be connected with the outlet of described heat-collecting devcie 1.
As optional mode of execution, in described the second heat-storing device, comprise at least one solid heat storage device 6; The sender property outlet UNICOM of the entrance of solid heat storage device 6 and described tank body heat-storing device (9a, 9b, 9c) described at least one in described the second heat-storing device, the working medium entrance UNICOM of outlet and described electricity generating device 3;
In the present embodiment, as shown in Figure 1, described the 3rd heat-storing device comprises at least one solid heat storage device 6; The entrance of at least one solid heat storage device 6 in described the 3rd heat-storing device is by the outlet UNICOM of described the first three-way valve 4b and described heat-collecting devcie, simultaneously also by the outlet UNICOM of described the second three-way valve 4d and described heat tunnel; Outlet and described heat tunnel entrance UNICOM.In described the second heat-storing device, also further comprise at least one fuse salt heat-storing device 11; The entrance of described fuse salt heat-storing device 11 is by the outlet UNICOM of the described solid heat storage device 6 in the 3rd three-way valve 4e and described the second heat-storing device, the outlet UNICOM of while and described heat tunnel; The entrance UNICOM of the outlet of described fuse salt heat-storing device 11 and described heat tunnel.
Described controller is controlled after the valve closing at sender property outlet place of described tank body heat-storing device, controls the valve open of the working medium ingress of described tank body heat-storing device.And, owing to there being at least one tank body heat-storing device, so described controller is controlled the valve at the sender property outlet place of described tank body heat-storing device, open in turn; Controlling the valve of the working medium ingress of described tank body heat-storing device opens in turn.When described controller is controlled the valve open at sender property outlet place of described tank body heat-storing device, described controller is controlled corresponding valve open or is closed, and controls described heat-collecting devcie and/or secondary heating mechanism and continues remaining working medium in the described tank body heat-storing device of heating.
In the present embodiment, owing to having adopted at least one tank body heat-storing device, the variation of the output power causing when the variation due to external condition, while diminishing greatly or suddenly the voltage dip that causes or voltage swells as the unexpected change of electrical network load, can release energy or stored energy guarantees the stable operation of network system by tank body heat-storing device; In addition, sunlight is strong and weak to be changed, when the heat collecting module that causes absorbs heat energy instantaneous too high, heat-collecting devcie can release energy and heat the working medium in tank body heat-storing device or released energy to the 3rd heat-storing device by heat tunnel, the stability of assurance generated output; Sunlight is strong and weak to be changed, and when the heat collecting module causing absorbs heat energy instantaneous too low, has at least one tank body heat-storing device or the second heat-storing device and/or the 3rd heat-storing device is exported high temperature refrigerant to electricity generating device, guarantees the stability of generated output.
embodiment 2
The present embodiment, on embodiment 1 basis, is done following improvement, as shown in Figure 2, and the sender property outlet of described electricity generating device 3 and the entrance UNICOM of the second heat-storing device described at least one.As can be seen from the figure, the sender property outlet of described electricity generating device 3 by after valve 4g with the entrance UNICOM of solid heat storage device 6.
As shown in Figure 2, solar power system in the present embodiment also further comprises the 4th three-way valve 4a, an input port of described the 4th three-way valve 4a and the outlet UNICOM of described heat-collecting devcie, the outlet UNICOM of one input port and described the second heat-storing device, the working medium entrance UNICOM of output port and described electricity generating device 3.
Further comprise Flow valve 2, be arranged between the outlet and described the first triple valve 4b of described heat-collecting devcie, as the mode of execution that can select, described Flow valve 2 can also be arranged between the outlet and described three-way valve 4a of described heat-collecting devcie.Can be by controlling the on off state of Su Suoshu the 4th three-way valve 4a and described Flow valve 2, reasonably select the high temperature refrigerant of described heat-collecting devcie 1 and the high temperature refrigerant of described the second heat-storing device whether to enter into the working medium entrance of described electricity generating device 3, to guarantee the stability of the generated output of electricity generating device.
embodiment 3
The present embodiment is done following improvement on embodiment 1 or embodiment's 2 basis, as shown in Figure 3, also further comprise temperature transducer 101 and/or the pressure transducer 102 of realizing data communication with described controller, measure temperature and/or the pressure of high temperature refrigerant of the outlet output of described heat-collecting devcie 1;
Described controller receives the measured value of described temperature transducer 101 and/or pressure transducer 102 in conjunction with the generated output demand of its built-in described electricity generating device, controls the folding of the sender property outlet place valve of all three-way valve and described tank body heat-storing device.
embodiment 4
The present embodiment is done following improvement on above-mentioned any embodiment's basis, as shown in Figure 4, also further comprises heat exchanger 14, the outlet UNICOM of its entrance and described heat-collecting devcie 1, the working medium entrance UNICOM of outlet and described electricity generating device 3.The inside of described tank body heat-storing device and/or outer installment have the pipeline that is suitable for Working fluid flow, and described pipeline is coil pipe and/or chuck.
As enforceable mode, described working medium source 8 is water storage box, working medium in described tank body heat-storing device is water, the working medium entrance of described tank body heat-storing device and the outlet UNICOM of described water storage box, as can be seen from Figure 4, also comprise vapour condenser 7, the sender property outlet UNICOM of the import of described vapour condenser 7 and described electricity generating device 3, the entrance UNICOM of the outlet of described vapour condenser 7 and described water storage box 8.
The mode that can implement as another kind, described working medium source 8 is air pump, the working medium in described tank body heat-storing device is air, the working medium entrance of described tank body heat-storing device and described air delivery side of pump UNICOM.
It should be noted that, in the application, in accompanying drawing, not providing controller described in controller can be upper-position unit, and the mode that described controller can be by radio communication or the mode connecting by cable are controlled the switching of each valve.Can find out in the drawings, at triplate line place, be provided with three-way valve (4f, 4g), and the switching of these three-way valve can be controlled by controller, the object of control is exactly in order to guarantee the stability of the generated output of power generation system.
And, can also see in the drawings have some pumps (5a, 5b, 5c, 13) to adopt these pumps be in order to guarantee the circulation of working medium, associated with inventive point of the present invention little, therefore at this, be not described further.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (17)
1. a solar power system, comprising:
Heat-collecting devcie, absorbs the energy of sunlight to heat the heat absorption working medium of its inside, output high temperature refrigerant;
Electricity generating device generates electricity under the driving of high temperature refrigerant;
It is characterized in that, also comprise:
At least one tank body heat-storing device, on it, be provided with working medium entrance and sender property outlet, the working medium entrance of described tank body heat-storing device and working medium source UNICOM, the working medium entrance UNICOM of the sender property outlet of described tank body heat-storing device and described electricity generating device, the working medium entrance of described tank body heat-storing device and the sender property outlet place of described tank body heat-storing device are provided with valve;
Heat tunnel, the outlet UNICOM of entrance and described heat-collecting devcie, the entrance UNICOM of outlet and described heat-collecting devcie, described heat tunnel is the working medium heating in described tank body heat-storing device;
At least one second heat-storing device, the sender property outlet UNICOM of the entrance of described the second heat-storing device and described tank body heat-storing device, the entrance UNICOM of the outlet of described the second heat-storing device and described electricity generating device;
And/or at least one the 3rd heat-storing device, the entrance of described the 3rd heat-storing device is by the outlet UNICOM of three-way valve and described heat-collecting devcie, simultaneously also by the outlet UNICOM of three-way valve and described heat tunnel; The outlet of described the 3rd heat-storing device and described heat tunnel entrance UNICOM; System also comprises controller, for controlling the folding of the valve that the sender property outlet place of three-way valve and described tank body heat-storing device arranges.
2. solar power system according to claim 1, is characterized in that:
The sender property outlet of described electricity generating device and the entrance UNICOM of the second heat-storing device described at least one.
3. solar power system according to claim 1 and 2, is characterized in that:
It comprises at least two described tank body heat-storing devices, passes through pipeline UNICOM between described tank body heat-storing device.
4. according to the arbitrary described solar power system of claim 1-3, it is characterized in that:
In described the second heat-storing device and/or described the 3rd heat-storing device, comprise at least one solid heat storage device;
The entrance of solid heat storage device and the outlet UNICOM of described tank body heat-storing device described at least one in described the second heat-storing device, the working medium entrance UNICOM of outlet and described electricity generating device;
And/or the entrance of at least one solid heat storage device in described the 3rd heat-storing device is by the outlet UNICOM of described the first three-way valve (4b) and described heat-collecting devcie, simultaneously also by the outlet UNICOM of described the second three-way valve (4d) and described heat tunnel; Outlet and described heat tunnel entrance UNICOM.
5. solar power system according to claim 4, is characterized in that:
In described the second heat-storing device, also further comprise at least one fuse salt heat-storing device;
The entrance of described fuse salt heat-storing device is by the outlet UNICOM of the described solid heat storage device in the 3rd three-way valve (4e) and described the second heat-storing device, simultaneously with the outlet UNICOM of described heat tunnel; The entrance UNICOM of the outlet of described fuse salt heat-storing device and described heat tunnel.
6. according to the arbitrary described solar power system of claim 1-5, it is characterized in that:
Also further comprise:
Three-way valve (4a), the outlet UNICOM of an input port and described heat-collecting devcie; The outlet UNICOM of one input port and described the second heat-storing device, the working medium entrance UNICOM of output port and described electricity generating device.
7. solar power system according to claim 6, is characterized in that:
Further comprise:
Flow valve (2), is arranged between the outlet and described the first triple valve (4b) of described heat-collecting devcie; And/or between the outlet of described heat-collecting devcie and described three-way valve (4a).
8. according to the arbitrary described solar power system of claim 1-7, it is characterized in that:
Also further comprise temperature and/or the pressure transducer of realizing data communication with described controller, measure temperature and/or the pressure of high temperature refrigerant of the outlet output of described heat-collecting devcie;
Described controller receives the measured value of described temperature and/or pressure transducer in conjunction with the generated output demand of its built-in described electricity generating device, controls the folding of the sender property outlet place valve of three-way valve and described tank body heat-storing device.
9. according to the arbitrary described solar power system of claim 1-8, it is characterized in that:
Also further comprise:
Heat exchanger, the outlet UNICOM of its entrance and described heat-collecting devcie, the working medium entrance UNICOM of outlet and described electricity generating device.
10. according to the arbitrary described solar power system of claim 1-9, it is characterized in that:
The inside of described tank body heat-storing device and/or outer installment have the pipeline that is suitable for Working fluid flow, and described pipeline is coil pipe and/or chuck.
11. according to the arbitrary described solar power system of claim 1-10, it is characterized in that:
Described heat tunnel is the coil pipe that is wrapped in described tank body heat-storing device outer wall.
12. according to the arbitrary described solar power system of claim 1-11, it is characterized in that:
Described working medium source is water storage box, and the working medium in described tank body heat-storing device is water, the working medium entrance of described tank body heat-storing device and the outlet UNICOM of described water storage box.
13. solar power systems according to claim 12, is characterized in that:
Also comprise vapour condenser, the sender property outlet UNICOM of the import of described vapour condenser and described electricity generating device, the entrance UNICOM of the outlet of vapour condenser and described water storage box.
14. according to the arbitrary described solar power system of claim 1-11, it is characterized in that:
Described working medium source is air pump, and the working medium in described tank body heat-storing device is air, the working medium entrance of described tank body heat-storing device and described air delivery side of pump UNICOM.
15. according to the arbitrary described solar power system of claim 1-14, it is characterized in that:
Described controller is controlled after the valve closing at sender property outlet place of described tank body heat-storing device, controls the valve open of the working medium ingress of described tank body heat-storing device.
16. solar power systems according to claim 15, is characterized in that:
Described controller is controlled the valve at the sender property outlet place of described tank body heat-storing device and is opened in turn; Controlling the valve of the working medium ingress of described tank body heat-storing device opens in turn.
17. according to solar power system described in claim 16, it is characterized in that:
When described controller is controlled the valve open at sender property outlet place of described tank body heat-storing device, control described heat-collecting devcie and/or secondary heating mechanism and continue remaining working medium in the described tank body heat-storing device of heating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210373330.6A CN103711662A (en) | 2012-09-29 | 2012-09-29 | Solar power generation system |
| PCT/CN2013/084588 WO2014048384A1 (en) | 2012-09-29 | 2013-09-29 | Solar power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210373330.6A CN103711662A (en) | 2012-09-29 | 2012-09-29 | Solar power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN103711662A true CN103711662A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210373330.6A Pending CN103711662A (en) | 2012-09-29 | 2012-09-29 | Solar power generation system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103711662A (en) |
| WO (1) | WO2014048384A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023221243A1 (en) * | 2022-05-18 | 2023-11-23 | 西安热工研究院有限公司 | Multi-tank heat storage and release system based on generator set |
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| WO2023221243A1 (en) * | 2022-05-18 | 2023-11-23 | 西安热工研究院有限公司 | Multi-tank heat storage and release system based on generator set |
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|---|---|
| WO2014048384A1 (en) | 2014-04-03 |
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